datavorous/entrance-exam-dataset huggingface dataset:
What is the effect of temperature on enzymes isolated from thermophilic organisms?

Options:
A It damages them
B It increases their thermal stability
C It improves their efficiency
D It does not affect them

The correct answer is:
It increases their thermal stability

Solution:
Enzymes isolated from organisms who normally live under extremely high temperatures (e.g. hot vents and sulphur springs) are stable and retain their catalytic power even at high temperatures (up to 80°-90°C). They have an increased thermal stability, which is an important quality for such enzymes.

Topic: Biology, Biomolecules (B), NEET
What is the effect of temperature on the rate constant of a reaction?

Options:
A An increase in temperature will always decrease the rate constant.
B Temperature has no effect on the rate constant.
C Increase in temperature will generally increase the rate constant as per Arrhenius equation
D An increase in temperature will only affect the rate constant if the reaction is exothermic.

The correct answer is:
Increase in temperature will generally increase the rate constant as per Arrhenius equation

Solution:
Correct Option is : (C)
Increase in temperature will generally increase the rate constant as per Arrhenius equation

Topic: Chemistry, Chemical Kinetics, NEET
What is the effect of temperature on the sulphonation of benzene?

Options:
A Higher temperature increases the reaction rate
B Higher temperature inhibits the reaction
C Temperature has no effect on the reaction
D The reaction temperature should be below freezing point

The correct answer is:
Higher temperature increases the reaction rate

Solution:
Higher temperatures generally increase the reaction rate of sulphonation.

Topic: Chemistry, Hydrocarbons, NEET
What is the effect of the contraction of diaphragm on the thoracic chamber?

Options:
A It decreases the volume of the thoracic chamber
B It increases the volume of the thoracic chamber
C It has no effect on the volume of the thoracic chamber
D It increases the pressure in the thoracic chamber

The correct answer is:
It increases the volume of the thoracic chamber

Solution:
The contraction of the diaphragm increases the volume of the thoracic chamber in the antero-posterior axis.

Topic: Biology, Breathing and Exchange of Gases, NEET
What is the effect of the degeneration of the thymus gland in old individuals?

Options:
A Increased production of thymosins
B Weak immune responses
C Increased blood pressure
D Increased insulin secretion

The correct answer is:
Weak immune responses

Solution:
The thymus gland is degenerated in old individuals, resulting in a decreased production of thymosins and weaker immune responses.

Topic: Biology, Chemical Coordination and Integration, NEET
What is the effect of the Heisenberg Uncertainty Principle on the motion of macroscopic objects?

Options:
A It has a significant impact.
B It has a negligible impact.
C It has no impact.
D It causes macroscopic objects to behave like microscopic objects.

The correct answer is:
It has a negligible impact.

Solution:
The effect of the Heisenberg Uncertainty Principle is negligible for the motion of macroscopic objects.

Topic: Chemistry, Structure of Atom, NEET
What is the effect of the intervention of 4f orbitals on the atomic radii of the third (5d) series?

Options:
A It causes a significant increase in atomic radii.
B It causes a significant decrease in atomic radii.
C It has no effect on atomic radii.
D It causes a slight increase in atomic radii.

The correct answer is:
It has no effect on atomic radii.

Solution:
The intervention of 4f orbitals results in no significant change in the atomic radii of the third (5d) series.

Topic: Chemistry, d and f Block Elements, NEET
What is the effect of the presence of a competing species on a species' distributional range?

Options:
A Expansion of the distributional range
B Limitation of the distributional range
C No effect on distributional range
D Increase in distributional range

The correct answer is:
Limitation of the distributional range

Solution:
Presence of a competing species on a species' distributional range leads to its limitation.

Topic: Biology, Organisms and Populations, NEET
What is the effect of the resonance effect on the polarity of a molecule?

Options:
A It reduces polarity
B It has no effect on polarity
C It increases polarity
D It changes the chemical composition of the molecule

The correct answer is:
It increases polarity

Solution:
The resonance effect results in the development of polarity in the molecule.

Topic: Chemistry, General Organic Chemistry, NEET
What is the effect of thymosins on the immune system?

Options:
A Decreased immune responses
B Increased immune responses
C No effect on the immune system
D Increased blood pressure

The correct answer is:
Increased immune responses

Solution:
Thymosins play a major role in the differentiation of T-lymphocytes, which provide cell-mediated immunity, and also promote production of antibodies to provide humoral immunity, thus increasing the immune responses.

Topic: Biology, Chemical Coordination and Integration, NEET
What is the effect of using drugs and alcohol during pregnancy?

Options:
A Adversely affect the foetus
B Increase muscle strength
C Promote aggressiveness
D Stunted growth

The correct answer is:
Adversely affect the foetus

Solution:
The use of drugs and alcohol during pregnancy is known to adversely affect the foetus.

Topic: Biology, Human Health and Diseases, NEET
What is the effect of variable speed on the kinetic energy of gas molecules?

Options:
A It has no effect on kinetic energy
B It increases kinetic energy
C It decreases kinetic energy
D It results in variable kinetic energy

The correct answer is:
It results in variable kinetic energy

Solution:
Variable speed of gas molecules leads to variable kinetic energy.

Topic: Chemistry, States of Matter, NEET
What is the effect of vulcanization on the solubility of rubber in non-polar solvents?

Options:
A It makes rubber more soluble in non-polar solvents.
B It has no effect on the solubility of rubber.
C It reduces the solubility of rubber in non-polar solvents.
D It converts rubber into a gas.

The correct answer is:
It reduces the solubility of rubber in non-polar solvents.

Solution:
Vulcanization reduces the solubility of rubber in non-polar solvents, making it less soluble.

Topic: Chemistry, Polymers, NEET
What is the effect of water on photosynthesis?

Options:
A Direct effect on photosynthesis
B Indirect effect through its effect on the plant
C Both direct and indirect effect
D No effect

The correct answer is:
Indirect effect through its effect on the plant

Solution:
The effect of water on photosynthesis is more through its effect on the plant, rather than directly on photosynthesis.

Topic: Biology, Photosynthesis in Higher Plants, NEET
What is the effect of waterlogging on soil and crops?

Options:
A Improved crop growth
B Soil and crop damage
C Increased fertility of soil
D Reduced salt content in soil

The correct answer is:
Soil and crop damage

Solution:
Irrigation without proper drainage of water leads to waterlogging in the soil, which affects crops and draws salt to the surface of the soil, which is deposited as a thin crust or starts collecting at the roots of the plants, affecting the growth of crops and causing damage to agriculture.

Topic: Biology, Environmental Issues, NEET
What is the effective period of progestogens or progestogen:estrogen combinations as a contraceptive method?

Options:
A 7 days
B 21 days
C 72 hours
D Much longer than 21 days

The correct answer is:
Much longer than 21 days

Solution:
The effective periods of progestogens or progestogen:estrogen combinations as a contraceptive method are much longer than 21 days.

Topic: Biology, Reproductive Health, NEET
What is the effective resistance of the combination when two cells of voltage 10V and 2V, with internal resistances 10Ω and 5Ω respectively, are connected in parallel with the positive end of the 10V battery connected to the negative pole of the 2V battery (as shown in Fig 3.8)?

Options:
A 12/5 Ω
B 10/3 Ω
C 7/3 Ω
D 5/2 Ω

The correct answer is:
10/3 Ω

Solution:
Correct Option is : (B)
10/3 Ω

Topic: Chemistry, Current Electricity, NEET
What is the efficiency index of a plant referred to as?

Options:
A Initial size
B Final size
C Growth rate
D Ability to produce new plant material

The correct answer is:
Ability to produce new plant material

Solution:
The efficiency index of a plant is referred to as its ability to produce new plant material and is measured by the relative growth rate.

Topic: Biology, Plant - Growth and Development, NEET
What is the efficiency of fuel cells in producing electricity?

Options:
A About 40%
B About 50%
C About 60%
D About 70%

The correct answer is:
About 70%

Solution:
Fuel cells produce electricity with an efficiency of about 70%.

Topic: Chemistry, Electrochemistry, NEET
What is the egg apparatus in the embryo sac made up of?

Options:
A Two synergids and one egg cell
B Three antipodals
C Two polar nuclei
D Three egg cells

The correct answer is:
Two synergids and one egg cell

Solution:
Three cells are grouped together at the micropylar end of the embryo sac and constitute the egg apparatus. The egg apparatus, in turn, consists of two synergids and one egg cell.

Topic: Biology, Sexual Reproduction in Flowering Plants, NEET
What is the electric field at a point 18 cm from the center of a spherical conductor with a radius of 12 cm that has a charge of 1.6 × 10–7C distributed uniformly on its surface?

Options:
A 1.3 × ${{10}^{4}}$ N/C
B 2.1 × ${{10}^{4}}$ N/C
C 3.9 × ${{10}^{4}}$ N/C
D 4.4 × ${{10}^{4}}$ N/C

The correct answer is:
4.4 × ${{10}^{4}}$ N/C

Solution:
Correct Option is : (D)
4.4 × ${{10}^{4}}$ N/C

Topic: Chemistry, Capacitance, NEET
What is the electric field at the center O of a regular pentagon, each of whose corners has a charge q placed, and the side of the pentagon is 'a'?

Options:
A Non-zero, pointing towards the center
B Non-zero, pointing away from the center
C Zero
D Cannot be determined without additional information

The correct answer is:
Zero

Solution:
Correct Option is : (C)
Zero

Topic: Chemistry, Electrostatics, NEET
What is the electric field at the midpoint O of the line AB joining the two charges qA = 3 mC and qB = -3 mC located 20 cm apart in vacuum?

Options:
A 3.2 × 106 N${{C}^{-1}}$along OB
B 5.4 × 106 N ${{C}^{-1}}$ along OB
C 5.4 × 105 N ${{C}^{-1}}$ along OB
D 5.4 × 105 N ${{C}^{-1}}$ along OA

The correct answer is:
5.4 × 106 N ${{C}^{-1}}$ along OB

Solution:
Correct Option is : (B)
5.4 × 106 N ${{C}^{-1}}$ along OB

Topic: Chemistry, Electrostatics, NEET
What is the electric field (E) between the plates when two large, thin metal plates are parallel and close to each other with surface charge densities of opposite signs and of magnitude 17.0 × ${{10}^{-22}}$ C/${{m}^{2}}$²?

Options:
A 0 N/C
B 1.9 N/C
C 1.3 N/C
D 2.3 N/C

The correct answer is:
1.9 N/C

Solution:
Correct Option is : (B)
1.9 N/C

Topic: Chemistry, Electrostatics, NEET
What is the electric field (E) in the outer region of the first plate when two large, thin metal plates are parallel and close to each other, with surface charge densities of opposite signs and of magnitude 17.0 × ${{10}^{-22}}$ C/${{m}^{2}}$ on their inner faces?

Options:
A E = 0
B E = 8.99 × 10^10 N/C
C E = 1.53 × 10^(-12) N/C
D E = 3.06 × 10^(-12) N/C

The correct answer is:
E = 0

Solution:
Correct Option is : (A)
E = 0

Topic: Chemistry, Electrostatics, NEET
What is the electric field (E) in the outer region of the second plate when two large, thin metal plates are parallel and close to each other, with surface charge densities of opposite signs and a magnitude of 17.0 × ${{10}^{-22}}$ C/${{m}^{2}}$ on their inner faces?

Options:
A E = 0
B E = 8.99 × ${{10}^{-9}}$ N/C
C E = 1.53 × ${{10}^{-12}}$N/C
D E = 3.06 × ${{10}^{-12}}$N/C

The correct answer is:
E = 0

Solution:
Correct Option is : (A)
E = 0

Topic: Chemistry, Electrostatics, NEET
What is the electric field inside a spherical conductor with a radius of 12 cm and a charge of 1.6 × 10–7C distributed uniformly on its surface?

Options:
A Zero
B 9 × ${{10}^{9}}$ N/C
C 4.5 × ${{10}^{9}}$N/C
D 1.33 × ${{10}^{8}}$ N/C

The correct answer is:
Zero

Solution:
Correct Option is : (A)
Zero

Topic: Chemistry, Capacitance, NEET
What is the electric flux through a square when a uniform electric field E = 3 × ${{10}^{3}}$ î N/C passes through it, and the normal to its plane makes a 60° angle with the x-axis?

Options:
A 0 N${{m}^{2}}$/C
B 15 N${{m}^{2}}$/C
C 2.6 × 10^2 N${{m}^{2}}$/C
D 3 × 10^3 N${{m}^{2}}$/C

The correct answer is:
15 N${{m}^{2}}$/C

Solution:
Correct Option is : (B)
15 N${{m}^{2}}$/C

Topic: Chemistry, Electrostatics, NEET
What is the electrical conductivity of aluminum compared to copper on a weight-to-weight basis?

Options:
A Aluminum is three times more conductive than copper.
B Aluminum is twice as conductive as copper.
C Aluminum is less conductive than copper.
D Aluminum has the same conductivity as copper.

The correct answer is:
Aluminum is twice as conductive as copper.

Solution:
On a weight-to-weight basis, the electrical conductivity of aluminum is twice that of copper.

Topic: Chemistry, p Block Elements (Group 13 & 14), NEET
What is the electrical conductivity of ions in the solid state?

Options:
A They are electrical conductors.
B They are electrical insulators.
C They are semi-conductors.
D They are transparent.

The correct answer is:
They are electrical insulators.

Solution:
Ions in the solid state are electrical insulators because they are not free to move about, as stated in the paragraph.

Topic: Chemistry, Solid State, NEET
What is the electrical conductivity of low-density polythene (LDP)?

Options:
A Good conductor of electricity
B Excellent conductor of electricity
C Poor conductor of electricity
D Non-conductor of electricity

The correct answer is:
Poor conductor of electricity

Solution:
Low-density polythene (LDP) is a poor conductor of electricity.

Topic: Chemistry, Polymers, NEET
What is the electrical conductivity of rhenium oxide, ReO3?

Options:
A It behaves like a semiconductor
B It behaves like an insulator
C It behaves like a metal
D It behaves like a nonmetal

The correct answer is:
It behaves like a metal

Solution:
Rhenium oxide, ReO3, behaves like a metal in its electrical conductivity and appearance.

Topic: Chemistry, Solid State, NEET
What is the electrical conductivity of such non-metallic crystalline solids?

Options:
A They are good conductors of electricity.
B They are semi-conductors.
C They are insulators and do not conduct electricity.
D They are superconductors.

The correct answer is:
They are insulators and do not conduct electricity.

Solution:
Non-metallic crystalline solids resulting from covalent bonds are insulators and do not conduct electricity, as stated in the paragraph.

Topic: Chemistry, Solid State, NEET
What is the electrical potential difference across the resting plasma membrane of a neuron called?

Options:
A Resting potential
B Action potential
C Sodium potential
D Potassium potential

The correct answer is:
Resting potential

Solution:
The electrical potential difference across the resting plasma membrane is called as the resting potential.

Topic: Biology, Neural Control and Coordination, NEET
What is the electrical potential of a Daniell cell when the concentration of Zn2+ and Cu2+ ions is unity (1 mol dm–3)?

Options:
A 0.5 V
B 1.0 V
C 1.1 V
D 1.5 V

The correct answer is:
1.1 V

Solution:
The electrical potential of a Daniell cell is 1.1 V when the concentration of Zn2+ and Cu2+ ions is unity.

Topic: Chemistry, Electrochemistry, NEET
What is the electrochemical potential (E(cell)) for the overall corrosion reaction?

Options:
A – 0.44 V
B 1.23 V
C 1.67 V
D None

The correct answer is:
1.67 V

Solution:
The electrochemical potential for the overall reaction as "E(cell) = 1.67 V."

Topic: Chemistry, Electrochemistry, NEET
What is the electrochemical potential (Eo) of the cathode reaction during corrosion?

Options:
A – 0.44 V
B 1.23 V
C 1.67 V
D None.

The correct answer is:
1.23 V

Solution:
The electrochemical potential for the cathode reaction as "Eo = 1.23 V."

Topic: Chemistry, Electrochemistry, NEET
What is the electrode potential E(Mn+/ M) when the concentration of solid M is taken as unity?

Options:
A Eo(Mn+/ M)) - RT/nF ln [M] / [Mn+]
B Eo((Mn+/ M)) - RT/nF ln 1 / [Mn+]
C Eo(Mn+ / M) - RT/nF ln [Mn+]
D Eo(Mn+/ M) - RT/nF ln 1 / [M]

The correct answer is:
Eo((Mn+/ M)) - RT/nF ln 1 / [Mn+]

Solution:
When the concentration of solid M is taken as unity, the electrode potential E(Mn+ / M) is given by Eo((Mn+/ M)) - RT/nF ln 1 / [Mn+].

Topic: Chemistry, Electrochemistry, NEET
What is the electrolyte in a mercury cell?

Options:
A Ammonium chloride (NH4Cl)
B Sodium hydroxide (NaOH)
C Potassium hydroxide (KOH) and zinc oxide (ZnO)
D Sulfuric acid (H2SO4)

The correct answer is:
Potassium hydroxide (KOH) and zinc oxide (ZnO)

Solution:
The electrolyte in a mercury cell is a paste of KOH and ZnO.

Topic: Chemistry, Electrochemistry, NEET
What is the electrolyte used in the electrolytic refining of copper?

Options:
A Water
B Copper oxide solution
C Acidified solution of copper sulphate
D Acidic solution of zinc sulphate

The correct answer is:
Acidified solution of copper sulphate

Solution:
The electrolyte used is an acidified solution of copper sulphate in the copper refining process.

Topic: Chemistry, General Principles and Processes of Isolation of Metals, NEET
What is the electromotive force (emf) induced between the center and the metallic ring when a 1-meter-long metallic rod is rotated at a frequency of 50 rev/s with one end hinged at the center and the other end at the circumference of a circular metallic ring of radius 1 m, about an axis passing through the center and perpendicular to the plane of the ring, in the presence of a constant and uniform magnetic field of 1 T parallel to the axis?

Options:
A 157 V
B 0.157 V
C 1.57 V
D 15.7 V

The correct answer is:
157 V

Solution:
Correct Option is : (A)
157 V

Topic: Chemistry, Electromagnetic Induction, NEET
What is the electron configuration of Americium (Am)?

Options:
A [Rn] 5f14 7s2
B [Rn] 5f7 7s2
C [Rn] 5f3 7s2
D [Rn] 6d10 7s2

The correct answer is:
[Rn] 5f7 7s2

Solution:
The electron configuration of Americium (Am) is [Rn] 5f7 7s2.

Topic: Chemistry, d and f Block Elements, NEET
What is the electron configuration of cerium (Ce)?

Options:
A 4f² 5d¹ 6s²
B 4f¹ 5d¹ 6s²
C 4f² 5d² 6s²
D 4f¹ 5d² 6s²

The correct answer is:
4f² 5d¹ 6s²

Solution:
The electron configuration of cerium is provided as "4f² 5d¹ 6s²."

Topic: Chemistry, d and f Block Elements, NEET
What is the electron configuration of Curium (Cm)?

Options:
A [Rn] 5f14 7s2
B [Rn] 5f7 7s2
C [Rn] 5f3 7s2
D [Rn] 6d10 7s2

The correct answer is:
[Rn] 5f14 7s2

Solution:
The paragraph provides the electron configuration of Curium (Cm) as [Rn] 5f14 7s2 .

Topic: Chemistry, d and f Block Elements, NEET
What is the electron configuration of Fe2+?

Options:
A d6
B d5
C d10
D 3d54s1

The correct answer is:
d6

Solution:
The paragraph states that Fe2+ has a d6 configuration.

Topic: Chemistry, d and f Block Elements, NEET
What is the electron configuration of the outermost shell for the halogens in Group 17?

Options:
A ns² np²
B ns² np³
C ns² np⁴
D ns² np⁵

The correct answer is:
ns² np⁵

Solution:
The halogens in Group 17 have an electron configuration of ns² np⁵ in their outermost shell.

Topic: Chemistry, p Block Elements (Group 15, 16, 17 & 18), NEET
What is the electron gain enthalpy, ∆egH?

Options:
A The enthalpy change when a gas phase atom loses an electron
B The enthalpy change when a gas phase atom gains an electron
C The enthalpy change when a solid phase atom loses an electron
D The enthalpy change when a solid phase atom gains an electron

The correct answer is:
The enthalpy change when a gas phase atom gains an electron

Solution:
The electron gain enthalpy (∆egH) Is the enthalpy change when a gas phase atom in its ground state gains an electron.

Topic: Chemistry, Chemical Bonding and Molecular Structure, NEET
What is the electron gain enthalpy for chlorine (Cl), given the equation: Cl(g) + e– → Cl–(g); ∆egH = –348.6 kJ mol–1?

Options:
A –348.6 kJ mol–1
B +348.6 kJ mol–1
C –121 kJ mol–1
D +121 kJ mol–1

The correct answer is:
–348.6 kJ mol–1

Solution:
The electron gain enthalpy for chlorine is –348.6 kJ mol–1, as indicated by the given equation.

Topic: Chemistry, Thermodynamics (C), NEET
What is the electron gain enthalpy of the halogens?

Options:
A Highly positive
B Highly negative
C Zero
D Variable

The correct answer is:
Highly negative

Solution:
The halogens (Group 17) have highly negative electron gain enthalpies.

Topic: Chemistry, Classification of Elements and Periodicity in Properties, NEET
What is the electronegativity of carbon influenced by?

Options:
A The number of hydrogen atoms bonded to it
B The number of oxygen atoms bonded to it
C The type of hybrid orbitals it possesses
D The size of its nucleus

The correct answer is:
The type of hybrid orbitals it possesses

Solution:
The change in hybridization affects the electronegativity of carbon, and the greater the s character of the hybrid orbitals, the greater is the electronegativity.

Topic: Chemistry, General Organic Chemistry, NEET
What is the electronic configuration and magnetic moment of Ce3+ion?

Options:
A [Xe]4f5and 5.87 BM
B [Xe]4f1and 2.58 BM
C [Xe]4f3and 1.73 BM
D [Xe]4f1and 1.73 BM

The correct answer is:
[Xe]4f1and 1.73 BM

Solution:
Correct Option is : (D)
[Xe]4f1and 1.73 BM

Topic: Chemistry, d and f Block Elements, NEET
What is the electronic configuration and oxidation state of central metal in [Co(NH3)5Cl]Cl2?

Options:
A [Ar]3d6and +6
B [Ar]3d6and +3
C [Ar]3d6and +4
D [Ar]3d4and +3

The correct answer is:
[Ar]3d6and +3

Solution:
Correct Option is : (B)
[Ar]3d6and +3

Topic: Chemistry, Coordination Compounds, NEET
What is the electronic configuration and oxidation state of central metal in [CrCl3(py)3]?

Options:
A [Ar]3d3and +3
B [Ar]3d3and +4
C [Ar]3d2and +3
D [Ar]3d3and +1

The correct answer is:
[Ar]3d3and +3

Solution:
Correct Option is : (A)
[Ar]3d3and +3

Topic: Chemistry, Coordination Compounds, NEET
What is the electronic configuration and oxidation state of central metal in Cs[FeCl4]?

Options:
A [Ar]3d3and +6
B [Ar]3d5and +3
C [Ar]3d7and +1
D [Ar]3d5and +3

The correct answer is:
[Ar]3d5and +3

Solution:
Correct Option is : (D)
[Ar]3d5and +3

Topic: Chemistry, Coordination Compounds, NEET
What is the electronic configuration and oxidation state of central metal in K4[Mn(CN)6]?

Options:
A [Ar]3d3and +2
B [Ar]3d5and +7
C [Ar]3d5and +2
D [Ar]3d6and +5

The correct answer is:
[Ar]3d5and +2

Solution:
Correct Option is : (C)
[Ar]3d5and +2

Topic: Chemistry, Coordination Compounds, NEET
What is the electronic configuration and oxidation state of central metal in K[Cr(H2O)2(C2O4)2].3H2O?

Options:
A [Ar]3d1and +3
B [Ar]3d3and +5
C [Ar]3d2and +4
D [Ar]3d3and +3

The correct answer is:
[Ar]3d3and +3

Solution:
Correct Option is : (D)
[Ar]3d3and +3

Topic: Chemistry, Coordination Compounds, NEET
What is the electronic configuration of a Cl atom?

Options:
A [Ne]3s2 3p5
B [He]2s2 2p4
C [Ar]4s2 4p4
D [Kr]5s2 5p5

The correct answer is:
[Ne]3s2 3p5

Solution:
The electronic configuration of a Cl atom as [Ne]3s2 3p5.

Topic: Chemistry, Chemical Bonding and Molecular Structure, NEET
What is the electronic configuration of a noble gas element at the end of each period?

Options:
A ns1np6
B ns2np8
C ns2np6
D ns2np5

The correct answer is:
ns2np6

Solution:
At the end of each period is a noble gas element with a closed valence shell ns2np6 configuration.

Topic: Chemistry, Classification of Elements and Periodicity in Properties, NEET
What is the electronic configuration of all actinoids?

Options:
A 7s2, 5f0
B 7s2, variable occupancy of 5f and 6d subshells
C 5f0, 7s2
D 5f14, 7s2

The correct answer is:
7s2, variable occupancy of 5f and 6d subshells

Solution:
All actinoids have the electronic configuration of 7s2 and variable occupancy of the 5f and 6d subshells.

Topic: Chemistry, d and f Block Elements, NEET