datavorous/entrance-exam-dataset huggingface dataset:
What product(s) is(are) obtained when 2-bromobutane undergoes an elimination reaction with a strong base?

Options:
A Only 1-butene
B Only 2-butene
C 1-butene and 2-butene, with more 1-butene
D 1-butene and 2-butene, with more 2-butene

The correct answer is:
1-butene and 2-butene, with more 1-butene

Solution:
if the base is strong, then Hoffman alkane is major product.

Topic: Chemistry, Haloalkanes and Haloarenes, NEET
What products would be formed when a nucleotide from DNA containing thymine is hydrolysed?

Options:
A Adenine and ribose sugar
B Thymine, β-D-2- deoxyribose and phosphoric acid
C Uracil, Thymine and ribose sugar
D Cytosine,Glucose and deoxyribose sugar

The correct answer is:
Thymine, β-D-2- deoxyribose and phosphoric acid

Solution:
Correct Option is : (B)
Thymine, β-D-2- deoxyribose and phosphoric acid

Topic: Chemistry, Biomolecules, NEET
What properties are exhibited by transition metals and their compounds?

Options:
A High reactivity with water and air
B Low melting and boiling points
C Catalytic property and paramagnetic behavior
D Formation of non-reactive compounds

The correct answer is:
Catalytic property and paramagnetic behavior

Solution:
Transition metals and their compounds exhibit catalytic property and paramagnetic behavior.

Topic: Chemistry, d and f Block Elements, NEET
What properties do ions of a given dn configuration (n = 1 – 9) exhibit?

Options:
A Similar magnetic and electronic properties
B Wide variation in reactivity
C High melting and boiling points
D Formation of non-colored compounds

The correct answer is:
Similar magnetic and electronic properties

Solution:
Ions of a given dn configuration (n = 1 – 9) have similar magnetic and electronic properties.

Topic: Chemistry, d and f Block Elements, NEET
What properties of coordination compounds does the crystal field model explain successfully?

Options:
A Formation and structures only
B Formation, structures, and color only
C Formation, structures, color, and magnetic properties
D None of the above

The correct answer is:
Formation, structures, color, and magnetic properties

Solution:
The crystal field model successfully explains the formation, structures, color, and magnetic properties of coordination compounds.

Topic: Chemistry, Coordination Compounds, NEET
What properties of water make it useful as a solvent?

Options:
A high electronegativity of Oxygen
B low dielectric constant and dipole moment of water
C strong hydrating tendency
D high dielectric constant and dipole moment of water

The correct answer is:
high dielectric constant and dipole moment of water

Solution:
Correct Option is : (D)
high dielectric constant and dipole moment of water

Topic: Chemistry, Hydrogen, NEET
What property allows metals to be flattened into thin sheets by hammering?

Options:
A Conductivity
B Malleability
C Ductility
D Melting point

The correct answer is:
Malleability

Solution:
Metals can be flattened into thin sheets by hammering due to their malleability.

Topic: Chemistry, Classification of Elements and Periodicity in Properties, NEET
What property causes a compound to be paramagnetic?

Options:
A Presence of unpaired electrons
B Absence of unpaired electrons
C High oxidation state of the central atom
D Square planar geometry

The correct answer is:
Presence of unpaired electrons

Solution:
The paragraph mentions that the compound is paramagnetic due to the presence of two unpaired electrons.

Topic: Chemistry, Coordination Compounds, NEET
What property did Lothar Meyer plot against atomic weight to observe a periodically repeated pattern?

Options:
A Atomic number
B Atomic radius
C Atomic volume
D Atomic mass

The correct answer is:
Atomic volume

Solution:
Lothar Meyer plotted atomic volume against atomic weight to observe a periodically repeated pattern.

Topic: Chemistry, Classification of Elements and Periodicity in Properties, NEET
What property explains the large difference between the melting and boiling points of oxygen and sulphur?

Options:
A Atomic number
B Allotropy
C Atomicity
D Radioactivity

The correct answer is:
Atomicity

Solution:
The paragraph explains that the large difference in melting and boiling points between oxygen and sulphur is due to their atomicity, where oxygen exists as a diatomic molecule (O2), and sulphur exists as a polyatomic molecule (S8).

Topic: Chemistry, p Block Elements (Group 15, 16, 17 & 18), NEET
What property is mentioned about Actinoid elements in the paragraph?

Options:
A They are non-metals.
B They are non-radioactive.
C They are gases.
D They are radioactive.

The correct answer is:
They are radioactive.

Solution:
Actinoid elements are radioactive.

Topic: Chemistry, Classification of Elements and Periodicity in Properties, NEET
What property is used instead of molality in the osmotic pressure method?

Options:
A Viscosity
B Molarity
C Density
D Vapor pressure

The correct answer is:
Molarity

Solution:
The paragraph mentions that the osmotic pressure method uses the molarity of the solution instead of molality.

Topic: Chemistry, Solutions, NEET
What property makes 2,4,6-trinitrophenol (picric acid) a strong acid?

Options:
A The presence of three methyl groups
B The presence of three electron-donating groups
C The presence of three electron-withdrawing -NO2 groups
D The presence of three halogen atoms

The correct answer is:
The presence of three electron-withdrawing -NO2 groups

Solution:
The -NO2 groups in picric acid are electron-withdrawing and make it a strong acid.

Topic: Chemistry, Alcohols Phenols and Ethers, NEET
What property makes melamine-formaldehyde polymer suitable for use in crockery?

Options:
A High electrical conductivity
B Breakability
C Unbreakability
D Flexibility

The correct answer is:
Unbreakability

Solution:
Melamine-formaldehyde polymer is known for its unbreakable nature, which makes it suitable for use in crockery.

Topic: Chemistry, Polymers, NEET
What property of a molecule does bond dissociation enthalpy indicate?

Options:
A Molecular weight
B Bond strength
C Molecular shape
D Bond length

The correct answer is:
Bond strength

Solution:
Bond dissociation enthalpy is an indicator of bond strength.

Topic: Chemistry, Chemical Bonding and Molecular Structure, NEET
What property of a reaction helps in understanding its mechanism?

Options:
A Reactivity
B Collision frequency
C Molecularity
D Concentration

The correct answer is:
Molecularity

Solution:
The property of a reaction called molecularity helps in understanding its mechanism.

Topic: Chemistry, Chemical Kinetics, NEET
What property of a sugar solution changes during mutarotation?

Options:
A Boiling point
B Refractive index
C Specific rotation
D pH

The correct answer is:
Specific rotation

Solution:
Mutarotation results in a change in the specific rotation of the sugar solution.

Topic: Chemistry, Biomolecules, NEET
What property of alcohols makes them proton acceptors and, therefore, Bronsted bases?

Options:
A The presence of unshared electron pairs on oxygen
B The presence of a carbonyl group (C=O)
C The presence of a nitro group (-NO2)
D The presence of a halogen atom (e.g., Cl)

The correct answer is:
The presence of unshared electron pairs on oxygen

Solution:
Alcohols can act as Bronsted bases due to the presence of unshared electron pairs on oxygen, which can accept protons.

Topic: Chemistry, Alcohols Phenols and Ethers, NEET
What property of amines does the reaction with benzenesulfonyl chloride help distinguish?

Options:
A Solubility in water
B Boiling point
C Acidic character
D Basicity

The correct answer is:
Acidic character

Solution:
The reaction of amines with benzene sulphonyl chloride helps distinguish their acidic character.

Topic: Chemistry, Amines, NEET
What property of benzene was not explained by Kekulé's initial structure but could later be explained by resonance?

Options:
A Unusual stability
B High reactivity
C Low boiling point
D High melting point

The correct answer is:
Unusual stability

Solution:
Kekulé's initial structure of benzene did not explain its unusual stability, which could later be explained by the concept of resonance.

Topic: Chemistry, Hydrocarbons, NEET
What property of beryllium and aluminium makes them not readily attacked by acids?

Options:
A Presence of a oxide film on the surface
B Low reactivity
C High electronegativity
D High density

The correct answer is:
Presence of a oxide film on the surface

Solution:
Both beryllium and aluminium are not readily attacked by acids due to the presence of an oxide film on the surface of the metal.

Topic: Chemistry, s Block Elements, NEET
What property of caesium and potassium makes them useful as electrodes in photoelectric cells?

Options:
A High melting point
B Low density
C Ability to lose electrons when irradiated with light
D Strong metallic bonding

The correct answer is:
Ability to lose electrons when irradiated with light

Solution:
Caesium and potassium are useful as electrodes in photoelectric cells because they have the property of losing electrons when irradiated with light, which is essential for the functioning of photoelectric cells.

Topic: Chemistry, s Block Elements, NEET
What property of calcium hydroxide makes it suitable for use in white wash?

Options:
A High solubility in water
B Disinfectant nature
C Low reactivity with chlorine
D Resistance to carbon dioxide

The correct answer is:
Disinfectant nature

Solution:
Calcium hydroxide is used in white wash due to its disinfectant nature.

Topic: Chemistry, s Block Elements, NEET
What property of carbon allows it to link with other carbon atoms through covalent bonds to form chains and rings?

Options:
A Electronegativity
B Cation formation
C Catenation
D Ionic bonding

The correct answer is:
Catenation

Solution:
Carbon atoms have the property of catenation, which allows them to link with one another through covalent bonds to form chains and rings.

Topic: Chemistry, p Block Elements (Group 13 & 14), NEET
What property of carbon, along with pπ– pπ bond formation, allows it to show allotropic forms?

Options:
A Cation formation
B Electronegativity
C Catenation
D Ionic bonding

The correct answer is:
Catenation

Solution:
The property of catenation, along with pπ– pπ bond formation, allows carbon to show allotropic forms.

Topic: Chemistry, p Block Elements (Group 13 & 14), NEET
What property of carbon monoxide (CO) makes it useful in the extraction of metals from their oxide ores?

Options:
A Its ability to form complex compounds with metals
B Its high solubility in water
C Its odorless nature
D Its combustion in the presence of oxygen

The correct answer is:
Its ability to form complex compounds with metals

Solution:
Carbon monoxide's ability to reduce metal oxides is used in the extraction of many metals from their oxide ores.

Topic: Chemistry, p Block Elements (Group 13 & 14), NEET
What property of cellulose acetate makes it suitable for use in reverse osmosis?

Options:
A Impermeable to water
B Permeable to impurities
C Permeable to ions
D Permeable to water but impermeable to impurities and ions

The correct answer is:
Permeable to water but impermeable to impurities and ions

Solution:
The paragraph states that cellulose acetate is permeable to water but impermeable to impurities and ions present in seawater, making it suitable for use in reverse osmosis.

Topic: Chemistry, Solutions, NEET
What property of electromagnetic (EM) waves did Professor C.V Raman demonstrate when he suspended a tiny light ball in a transparent vacuum chamber by shining a laser beam on it? Provide one more example of this property.

Options:
A Electromagnetic induction
B Electromagnetic interference
C Electromagnetic resonance
D Radiation pressure

The correct answer is:
Radiation pressure

Solution:
Correct Option is : (D)
Radiation pressure

Topic: Chemistry, Electromagnetic Waves, NEET
What property of electromagnetic radiation determines its color?

Options:
A Frequency (ν)
B Wavelength (λ)
C Speed (c)
D Energy (E)

The correct answer is:
Wavelength (λ)

Solution:
The color of electromagnetic radiation is determined by its wavelength (λ).

Topic: Chemistry, Structure of Atom, NEET
What property of gallium makes it a useful material for measuring high temperatures?

Options:
A High electrical conductivity
B Low boiling point
C High melting point
D High density

The correct answer is:
Low boiling point

Solution:
Gallium has a high boiling point (2676 K), making it a useful material for measuring high temperatures.

Topic: Chemistry, p Block Elements (Group 13 & 14), NEET
What property of graphite makes it a soft solid?

Options:
A High melting point
B Brittle nature
C The ability of different layers to slide over each other
D Lack of covalent bonds

The correct answer is:
The ability of different layers to slide over each other

Solution:
The ability of different layers in graphite to slide over each other makes it a soft solid, as mentioned in the paragraph.

Topic: Chemistry, Solid State, NEET
What property of graphite makes it conduct electricity?

Options:
A Its hardness
B Its high melting point
C Its delocalized electrons
D Its resistance to heat

The correct answer is:
Its delocalized electrons

Solution:
Graphite conducts electricity due to the delocalized electrons.

Topic: Chemistry, p Block Elements (Group 13 & 14), NEET
What property of graphite makes it suitable as a dry lubricant in machines running at high temperatures?

Options:
A Its hardness
B Its high melting point
C Its cleavage between layers
D Its resistance to heat

The correct answer is:
Its cleavage between layers

Solution:
Graphite cleaves easily between the layers, making it suitable as a dry lubricant in high-temperature machines.

Topic: Chemistry, p Block Elements (Group 13 & 14), NEET
What property of graphite makes it suitable for making crucibles?

Options:
A Its high porosity
B Its lightweight nature
C Its ability to conduct electricity
D Its resistance to dilute acids and alkalies

The correct answer is:
Its resistance to dilute acids and alkalies

Solution:
Crucibles made from graphite are inert to dilute acids and alkalies, making graphite suitable for this purpose.

Topic: Chemistry, p Block Elements (Group 13 & 14), NEET
What property of liquids allows them to be poured and flow?

Options:
A Their definite volume
B Their strong chemical bonds
C Their immobility
D Their free movement of molecules

The correct answer is:
Their free movement of molecules

Solution:
The free movement of molecules in liquids allows them to be poured and flow.

Topic: Chemistry, States of Matter, NEET
What property of liquids gives them a stretching property on their surface?

Options:
A Viscosity
B Density
C Gravity
D Surface tension

The correct answer is:
Surface tension

Solution:
Surface tension is the property of liquids that gives them a stretching property on their surface.

Topic: Chemistry, States of Matter, NEET
What property of liquids is exploited in distillation to separate them?

Options:
A Their color
B Their viscosity
C Their density
D Their boiling points

The correct answer is:
Their boiling points

Solution:
Distillation exploits the difference in boiling points of liquids to separate them.

Topic: Chemistry, General Organic Chemistry, NEET
What property of liquids is responsible for the tendency to minimize their surface area?

Options:
A Surface tension
B Density
C Viscosity
D Volume

The correct answer is:
Surface tension

Solution:
Liquids tend to minimize their surface area, which is attributed to surface tension.

Topic: Chemistry, States of Matter, NEET
What property of nylon is attributed to the strong intermolecular forces like hydrogen bonding?

Options:
A High electrical conductivity
B Low melting point
C High tensile strength
D Low chemical stability

The correct answer is:
High tensile strength

Solution:
The strong intermolecular forces, including hydrogen bonding, in nylon contribute to its high tensile strength.

Topic: Chemistry, Polymers, NEET
What property of sulphonamides makes them soluble in alkali?

Options:
A Presence of a strong electron-donating group
B Presence of a strong electron-withdrawing sulfonyl group
C Presence of a hydrogen atom attached to nitrogen
D Presence of a large alkyl group

The correct answer is:
Presence of a hydrogen atom attached to nitrogen

Solution:
Sulphonamides are soluble in alkali due to the presence of a hydrogen atom attached to nitrogen, making it acidic.

Topic: Chemistry, Amines, NEET
What property of the ammonia molecule makes it a Lewis base?

Options:
A Presence of a positive charge
B Presence of a lone pair of electrons on nitrogen
C Presence of metal ions
D Presence of a negative charge

The correct answer is:
Presence of a lone pair of electrons on nitrogen

Solution:
The paragraph mentions that the presence of a lone pair of electrons on the nitrogen atom of the ammonia molecule makes it a Lewis base.

Topic: Chemistry, p Block Elements (Group 15, 16, 17 & 18), NEET
What property of the compound and impurities is essential for the success of crystallization?

Options:
A They should have similar solubilities.
B They should have identical melting points.
C They should have different solubilities.
D They should have the same color.

The correct answer is:
They should have different solubilities.

Solution:
The success of crystallization relies on the difference in solubilities between the compound and impurities; they should have different solubilities.

Topic: Chemistry, General Organic Chemistry, NEET
What property of the compound and impurities makes crystallization an effective purification technique?

Options:
A Identical solubilities
B Different melting points
C Different solubilities
D Similar boiling points

The correct answer is:
Different solubilities

Solution:
Crystallization is effective for purification when the compound and impurities have different solubilities in the chosen solvent.

Topic: Chemistry, General Organic Chemistry, NEET
What property of the medium affects the electrostatic forces between two charges in a substance?

Options:
A Color
B Dielectric constant
C Density
D Conductivity

The correct answer is:
Dielectric constant

Solution:
The paragraph states that the electrostatic forces between two charges are inversely proportional to the dielectric constant of the medium.

Topic: Chemistry, Ionic Equilibrium, NEET
What property of transition elements is described as the tendency to be attracted by a magnetic field?

Options:
A Variable valence (oxidation states)
B Metallic character
C Formation of colored ions
D Paramagnetism

The correct answer is:
Paramagnetism

Solution:
Paramagnetism is the property of transition elements described as the tendency to be attracted by a magnetic field.

Topic: Chemistry, Classification of Elements and Periodicity in Properties, NEET
What property of water allows it to play a key role in the biosphere?

Options:
A Its color
B Its taste
C Its high heat of vaporization
D Its low boiling point

The correct answer is:
Its high heat of vaporization

Solution:
Water's high heat of vaporization is one of the properties that allows it to play a key role in the biosphere.

Topic: Chemistry, Hydrogen, NEET
What property of water gives it high tensile strength?

Options:
A Ability to resist a pushing force
B Ability to resist a pulling force
C Ability to flow in thick tubes
D Ability to rise in thin tubes

The correct answer is:
Ability to resist a pulling force

Solution:
The properties of water give it high tensile strength, meaning an ability to resist a pulling force.

Topic: Biology, Transport in Plants, NEET
What proportion of individuals will have the genotype PpQQRrSstt if their parents had genotypes PPQqRRssTt and PpQQrrSSTt?

Options:
A 1/8
B 1/16
C 1/256
D 1/64

The correct answer is:
1/16

Solution:
Mendelian cross occurs between different pair of contrasting characters - height, shape, colour etc. When the given genotype of individuals is crossed, we get the following genotypes and their count:
Parents - PPQqRRssTt and PpQQrrSSTt.
Each parent produces four types of gametes -
PPQqRRssTt → PQRsT, PQRst, PqRsT, and PqRst
PpQQrrSSTt → PQrST, PQrSt, pQrST, pQrSt
F1 generation will produce 16 progenies where the probability for the expression of the genotype -PpQQRrSstt is 1/16

Topic: Biology, Principles of Inheritance and Variation, NEET
What proportion of offsprings are monohybrids in a dihybrid cross?

Options:
A 50%
B 25%
C 12.5%
D 6.25%

The correct answer is:
50%

Solution:
A dihybrid cross describes a mating between two organisms that are identically hybrid for two traits, whereas a cross between two types of plants of the same species with the transmission of one character is called monohybrid cross.
A typical dihybrid cross AaBb x AaBb will produce 16 types of offsprings as follows:
Homozygous genotypes: AABB (1), AAbb(1), aaBB(1), aabb(1)
Monohybrid genotypes: AaBB(2), AABb(2), aaBb(2), Aabb(2)
Dihybrid genotypes: AaBb(4)
Thus, the proportion of monohybrids is 2 + 2 + 2 + 2 = 8 out of 16, which is 50%

Topic: Biology, Principles of Inheritance and Variation, NEET
What proportion of offsprings in the F2 generation of a tetrahybrid cross will resemble the phenotype of parents that produce the F1 hybrid?

Options:
A 1/128
B 1/256
C 1/1024
D 1/64

The correct answer is:
1/128

Solution:
The total number of offsprings in the F2 generation is represented by 4n, where n = 1 for monohybrid, n = 2 for dihybrid, etc. Thus the total number of offsprings in the F2 generation of tetrahybrid cross is 44 = 256. Out of these only two offsprings will resemble the parents genotypically. Thus their proportion is 2/256, which is 1/128.

Topic: Biology, Principles of Inheritance and Variation, NEET
What protects the human heart?

Options:
A A double walled bag
B A single walled bag
C A soft tissue
D A hard tissue

The correct answer is:
A double walled bag

Solution:
The human heart is protected by a double walled membranous bag, pericardium, enclosing the pericardial fluid.

Topic: Biology, Body Fluids and Circulation, NEET
What provides an organised network of point-to-point connections for quick coordination in the human body?

Options:
A The endocrine system.
B The neural system.
C The respiratory system.
D The circulatory system.

The correct answer is:
The neural system.

Solution:
The neural system provides an organized network of point-to-point connections

Topic: Biology, Neural Control and Coordination, NEET
What provides chemical integration through hormones in the human body?

Options:
A The neural system.
B The endocrine system.
C The respiratory system.
D The circulatory system.

The correct answer is:
The endocrine system.

Solution:
The endocrine system provides chemical integration through hormones.

Topic: Biology, Neural Control and Coordination, NEET
What purpose do both soaps and synthetic detergents serve regarding water?

Options:
A They make water taste better.
B They improve the color of water.
C They improve the cleansing properties of water.
D They purify water for drinking.

The correct answer is:
They improve the cleansing properties of water.

Solution:
Both soaps and synthetic detergents improve the cleansing properties of water.

Topic: Chemistry, Chemistry in Everyday Life, NEET
What purpose do builders like sodium carbonate and trisodium phosphate serve in soap powders and scouring soaps?

Options:
A To add fragrance
B To enhance lathering
C To prevent rapid drying
D To make the soaps act more rapidly

The correct answer is:
To make the soaps act more rapidly

Solution:
Builders like sodium carbonate and trisodium phosphate are added to soap powders and scouring soaps to make the soaps act more rapidly.

Topic: Chemistry, Chemistry in Everyday Life, NEET
What quantities do electromagnetic radiation wavelengths and frequencies characterize?

Options:
A Volume and weight
B Velocity and temperature
C Length and time
D Color and brightness

The correct answer is:
Length and time

Solution:
Electromagnetic radiation wavelengths characterize length, and frequencies characterize time, as wavelengths are measured in meters (length) and frequencies in hertz (time).

Topic: Chemistry, Structure of Atom, NEET