datavorous/entrance-exam-dataset huggingface dataset:
Which functional group is introduced into the benzene ring during sulphonation?

Options:
A Amine
B Sulfoxide
C Sulphonic acid
D Ester

The correct answer is:
Sulphonic acid

Solution:
The sulphonation reaction introduces a sulphonate (-SO3H) functional group into the benzene ring.

Topic: Chemistry, Hydrocarbons, NEET
Which functional group is introduced into the benzene ring during the Reimer-Tiemann reaction?

Options:
A -CH2OH
B -CHO
C -COOH
D -OH

The correct answer is:
-CHO

Solution:
The Reimer-Tiemann reaction introduces a formyl group (-CHO) onto the benzene ring.

Topic: Chemistry, Alcohols Phenols and Ethers, NEET
Which functional group is involved in the Aldol condensation reaction?

Options:
A Carbonyl group
B Hydroxyl group
C Ester group
D Alkene group

The correct answer is:
Carbonyl group

Solution:
The Aldol condensation reaction involves the carbonyl group in aldehydes and ketones.

Topic: Chemistry, Aldehydes, Ketones and Carboxylic Acids, NEET
Which functional group is involved in the formation of a cyanohydrin?

Options:
A Alkene
B Carbonyl (>C=O)
C Alcohol
D Amine

The correct answer is:
Carbonyl (>C=O)

Solution:
The formation of a cyanohydrin typically involves the reaction of a carbonyl group (>C=O) with hydrogen cyanide.

Topic: Chemistry, Biomolecules, NEET
Which functional group is part of the carboxyl group?

Options:
A Alkyl group
B Carbonyl group
C Hydroxyl group
D Aldehyde group

The correct answer is:
Carbonyl group

Solution:
The carboxyl group consists of a carbonyl group (C=O) attached to a hydroxyl group (-OH).

Topic: Chemistry, Aldehydes, Ketones and Carboxylic Acids, NEET
Which functional group is present in benzene sulphonic acid?

Options:
A Alkene
B Sulfonate
C Carboxyl
D Aldehyde

The correct answer is:
Sulfonate

Solution:
Benzene sulphonic acid contains the sulfonate (-SO3H) functional group.

Topic: Chemistry, Alcohols Phenols and Ethers, NEET
Which functional group is present in glucose?

Options:
A Aldehyde
B Ketone
C Alcohol
D Carboxylic acid

The correct answer is:
Alcohol

Solution:
Glucose contains alcohol functional groups in its structure.

Topic: Chemistry, Biomolecules, NEET
Which functional group is present in quinones?

Options:
A Aldehyde
B Ketone
C Carboxylic acid
D Ester

The correct answer is:
Ketone

Solution:
Quinones contain a ketone functional group.

Topic: Chemistry, Alcohols Phenols and Ethers, NEET
Which functional group is present in saccharic acid?

Options:
A Aldehyde group
B Ketone group
C Carboxylic acid group
D Ester group

The correct answer is:
Carboxylic acid group

Solution:
Saccharic acid contains carboxylic acid functional groups, as indicated in the passage.

Topic: Chemistry, Biomolecules, NEET
Which functional group is present in the gluconic acid formed during the reaction of glucose with bromine water?

Options:
A Aldehyde
B Ketone
C Alcohol
D Carboxylic acid

The correct answer is:
Carboxylic acid

Solution:
Glucose is oxidized to form gluconic acid, which contains a carboxylic acid functional group.

Topic: Chemistry, Biomolecules, NEET
Which functional group is removed during the decarboxylation of benzoic acid using soda lime?

Options:
A Hydroxyl group
B Carboxylic acid group
C Amino group
D Methyl group

The correct answer is:
Carboxylic acid group

Solution:
The decarboxylation of benzoic acid with soda lime involves the removal of the carboxylic acid group (-COOH).

Topic: Chemistry, Hydrocarbons, NEET
Which functional group is represented by the formula –CHO?

Options:
A Hydroxyl group (–OH)
B Aldehyde group (–CHO)
C Carboxylic acid group (–COOH)
D Amine group (–NH2)

The correct answer is:
Aldehyde group (–CHO)

Solution:
The formula –CHO is an aldehyde group.

Topic: Chemistry, General Organic Chemistry, NEET
Which functional group is represented by the formula –OH?

Options:
A Aldehyde group (–CHO)
B Hydroxyl group (–OH)
C Carboxylic acid group (–COOH)
D Amine group (–NH2)

The correct answer is:
Hydroxyl group (–OH)

Solution:
The paragraph provides the formula –OH as an example of the hydroxyl group.

Topic: Chemistry, General Organic Chemistry, NEET
Which functional group is responsible for the properties of alcohols and phenols?

Options:
A Alkene group
B Hydroxyl group (-OH)
C Carbonyl group
D Ether group

The correct answer is:
Hydroxyl group (-OH)

Solution:
The properties of alcohols and phenols are chiefly due to the hydroxyl group (-OH).

Topic: Chemistry, Alcohols Phenols and Ethers, NEET
Which functional group is responsible for the unique properties of phenols?

Options:
A Aldehyde group
B Hydroxyl group (-OH)
C Carbonyl group
D Ether group

The correct answer is:
Hydroxyl group (-OH)

Solution:
The hydroxyl group in phenols is responsible for their distinctive properties, such as hydrogen bonding and solubility.

Topic: Chemistry, Alcohols Phenols and Ethers, NEET
Which functional group is retained in the primary amine formed by the Hoffmann bromamide degradation?

Options:
A Carbonyl group
B Hydroxyl group
C Ester group
D Halide group

The correct answer is:
Carbonyl group

Solution:
The primary amine formed by the Hoffmann bromamide degradation retains the carbonyl group, which is now bonded to a nitrogen atom.

Topic: Chemistry, Amines, NEET
Which functional group of glucose is involved in the oxidation reaction with bromine water?

Options:
A Alkene
B Alkyne
C Ether
D Ester

The correct answer is:
Alkene

Solution:
The reaction with bromine water suggests the involvement of an alkene group.

Topic: Chemistry, Biomolecules, NEET
Which functional group participates in disulphide bond formation in proteins?

Options:
A Thioester
B Thioether
C Thiol
D Thiolactone

The correct answer is:
Thiol

Solution:
A disulfide bond is a covalent bond between two sulfur atoms (-S-S-) formed by the coupling of two thiol (-SH) groups.
Related Theory
In the mammalian endoplasmic reticulum (ER), disulfide bond formation is achieved by the combined action of two types of enzyme: one capable offorming disulfides de novo and another able to introduce these disulfides into substrates.

Topic: Chemistry, Biomolecules, NEET, NEET 2005
Which functional group participates in disulphide bond formation in proteins?

Options:
A Thioester
B Thioether
C Thiol
D Thiolactone

The correct answer is:
Thiol

Solution:
Disulphide bond may be reduced to thiol by means of reagents i.e., NaBH4, which shows the presence of thiol group in disulphide bond formation.

Topic: Chemistry, Biomolecules, NEET
Which functional groups are involved in the Cannizzaro reaction?

Options:
A Aldehydes and alcohols
B Aldehydes and ketones
C Aldehydes and carboxylic acids
D Aldehydes and amines

The correct answer is:
Aldehydes and carboxylic acids

Solution:
The Cannizzaro reaction involves the conversion of aldehydes into carboxylic acids and alcohols.

Topic: Chemistry, Aldehydes, Ketones and Carboxylic Acids, NEET
Which functional groups are involved in the formation of a dipeptide, such as glycylalanine?

Options:
A Carboxyl group of glycine and amino group of alanine
B Carboxyl group of alanine and amino group of glycine
C Hydroxyl group of glycine and carboxyl group of alanine
D Amino group of glycine and carboxyl group of alanine

The correct answer is:
Carboxyl group of glycine and amino group of alanine

Solution:
Glycylalanine is formed when the carboxyl group of glycine combines with the amino group of alanine.

Topic: Chemistry, Biomolecules, NEET
Which fungal disease spreads by seed and flowers?

Options:
A Loose smut of wheat
B Corn stunt
C Covered smut of barley
D Soft rot of potato

The correct answer is:
Loose smut of wheat

Solution:
Loose smut of barley is caused by Ustilago nuda. It is a disease that can destroy a large proportion of a barley crop. Loose smut replaces grain heads with smut, or masses of spores which infect the open flowers of healthy plants and grow into the seed, without showing any symptoms. It is a seed borne disease; infection occurs during Loose Smut flowering through wind-borne spores.
So, the correct answer is 'Loose smut of Wheat'.

Topic: Biology, Biotechnology and Its Applications, NEET, NEET 2002
Which fungi are commonly used in biochemical and genetic work?

Options:
A Claviceps and Puccinia
B Neurospora and Saccharomyces
C Aspergillus and Alternaria
D Penicillium and Rhizopus

The correct answer is:
Neurospora and Saccharomyces

Solution:
Neurospora is an ascomycetes fungi commonly known as Drosophila of the plant kingdom. It is extensively used in biochemical and genetic work. Beadle and Tatum proposed one gene hypothesis by working on Neurospora.
Saccharomyces sp. i.e. yeast has been used extensively in genetic engineering. The recombivax-HB vaccine has been used by using transgenic yeast.

Topic: Biology, Biological Classification, NEET
Which gas is adsorbed more by 1g of activated charcoal: methane or sulphur dioxide?

Options:
A Methane
B Sulphur dioxide
C Both are adsorbed equally.
D Cannot be determined from the information given.

The correct answer is:
Sulphur dioxide

Solution:
The paragraph states that activated charcoal adsorbs more sulphur dioxide (critical temperature 630K) than methane (critical temperature 190K).

Topic: Chemistry, Surface Chemistry, NEET
Which gas is an industrial product of the given reaction?

Options:
A Oxygen
B Carbon dioxide
C Dihydrogen
D Carbon monoxide

The correct answer is:
Dihydrogen

Solution:
Dihydrogen (H2) is produced as an industrial product in the given reaction.

Topic: Chemistry, Hydrocarbons, NEET
Which gas is cited as a potential pollutant in the extraction of iron from pyrites?

Options:
A CO2
B NO2
C SO2
D CH4

The correct answer is:
SO2

Solution:
Iron pyrites produce SO2, which is considered a polluting gas.

Topic: Chemistry, General Principles and Processes of Isolation of Metals, NEET
Which gas is dihydrogen lighter than?

Options:
A Methane
B Oxygen
C Air
D Carbon dioxide

The correct answer is:
Air

Solution:
Dihydrogen is lighter than air, as mentioned in the paragraph.

Topic: Chemistry, Hydrogen, NEET
Which gas is emmited in fermentation

Options:
A O2
B CO2
C N2
D H2

The correct answer is:
CO2

Solution:
C6H12O6Glucose→Zymase2C2H5OH+2CO2
During fermentation CO2 gas is elimtextnated.

Topic: Chemistry, Alcohols Phenols and Ethers, NEET
Which gas is evolved at the anode during the electrolysis of sodium chloride to produce sodium hydroxide?

Options:
A Hydrogen gas
B Oxygen gas
C Chlorine gas
D Carbon dioxide gas

The correct answer is:
Chlorine gas

Solution:
Chlorine gas is evolved at the anode during the electrolysis of sodium chloride.

Topic: Chemistry, s Block Elements, NEET
Which gas is evolved on heating anhydrous Na2CO3?

Options:
A CO2
B Water vapour
C CO
D No gas

The correct answer is:
No gas

Solution:
Anhydrous form of Na2CO3 does not decompose on heating even to redness. It is a amorphous powder called soda ash.

Topic: Chemistry, s Block Elements, NEET
Which gas is involved in the reduction process of zinc oxide?

Options:
A CO
B CO2
C O2
D N2

The correct answer is:
CO

Solution:
The reduction of zinc oxide involves the production of carbon monoxide (CO).

Topic: Chemistry, General Principles and Processes of Isolation of Metals, NEET
Which gas is primarily responsible for protecting against harmful UV radiation in the stratosphere?

Options:
A Carbon dioxide
B Oxygen
C Ozone
D Nitrogen

The correct answer is:
Ozone

Solution:
Ozone is primarily responsible for protecting against harmful UV radiation in the stratosphere.

Topic: Chemistry, Environmental Chemistry, NEET
Which gas is produced when lead (II) nitrate is heated?

Options:
A Nitrogen gas
B Oxygen gas
C Hydrogen gas
D Nitrogen dioxide gas

The correct answer is:
Nitrogen dioxide gas

Solution:
Correct Option is : (D)
Nitrogen dioxide gas

Topic: Chemistry, p Block Elements (Group 15, 16, 17 & 18), NEET
Which gas is released during the production of calcium carbide from quick lime and coke?

Options:
A Oxygen
B Carbon dioxide
C Carbon monoxide
D Hydrogen

The correct answer is:
Carbon monoxide

Solution:
Carbon monoxide (CO) is released during the production of calcium carbide (CaC2) from quick lime and coke. The reaction involves the reduction of quick lime by coke, releasing carbon monoxide.

Topic: Chemistry, Hydrocarbons, NEET
Which gas is responsible for the redness and irritation of eyes in the presence of air pollution?

Options:
A Carbon monoxide
B Carbon dioxide
C Sulfur dioxide
D Hydrocarbons

The correct answer is:
Sulfur dioxide

Solution:
Sulfur dioxide (SO2) is responsible for causing eye irritation, resulting in redness and discomfort when present in polluted air.

Topic: Chemistry, Environmental Chemistry, NEET
Which gas is the major contributor to global warming?

Options:
A Oxygen
B Carbon dioxide
C Nitrogen
D Hydrogen

The correct answer is:
Carbon dioxide

Solution:
Carbon dioxide is the major contributor to global warming among the greenhouse gases.

Topic: Chemistry, Environmental Chemistry, NEET
Which gas law describes the relationship between pressure and volume at constant temperature?

Options:
A Charles's law
B Boyle's law
C Avogadro's law
D Gay-Lussac's law

The correct answer is:
Boyle's law

Solution:
The relationship between pressure and volume at constant temperature is described by Boyle's law.

Topic: Chemistry, States of Matter, NEET
Which gas law is associated with the statement that the product of pressure and volume is constant?

Options:
A Charles's law
B Avogadro's law
C Boyle's law
D Gay-Lussac's law

The correct answer is:
Boyle's law

Solution:
Boyle's law involves the product of pressure and volume of a gas being constant.

Topic: Chemistry, States of Matter, NEET
Which gas will be adsorbed on a solid to greater extent?

Options:
A Having nonpolar molecule
B Having highest critical temperature
C Having lowest critical temperature
D Having lowest critical pressure

The correct answer is:
Having highest critical temperature

Solution:
Easily liquefiable gases i.e. having high critical temperature get adsorb more on a solids

Topic: Chemistry, Surface Chemistry, NEET
Which gaseous air pollutant is primarily responsible for causing respiratory diseases such as asthma and bronchitis in humans?

Options:
A Carbon dioxide
B Nitrogen dioxide
C Sulfur dioxide
D Carbon monoxide

The correct answer is:
Sulfur dioxide

Solution:
Sulfur dioxide (SO2) is a gaseous air pollutant that is primarily responsible for causing respiratory diseases such as asthma and bronchitis in humans when present in low concentrations. It can irritate the respiratory system, leading to these health issues.

Topic: Chemistry, Environmental Chemistry, NEET
Which gaseous product is formed when a mixture of iron (II) sulphate and potassium nitrate is heated with dilute H2SO4?

Options:
A NO
B NO2
C mixture of NO2 and N2O4
D N2O5

The correct answer is:
NO

Solution:
When a mixture of iron (II) sulphate and potassium nitrate is heated with dilute H2SO4 No gas formed as follows
6FeSO4+2KNO3+4H2SO4→Fe2(SO4)3+K2SO4+4H2O+2NO

Topic: Chemistry, d and f Block Elements, NEET
Which gases are examples for adsorption?

Options:
A O2, H2, CO, Cl2, NH3, SO2
B N2, CH4, CO2, NO2
C H2O, N2, HCl, SO3
D O3, C2H6, F2, Br2

The correct answer is:
O2, H2, CO, Cl2, NH3, SO2

Solution:
The paragraph provides examples of gases like O2, H2, CO, Cl2, NH3, and SO2.

Topic: Chemistry, Surface Chemistry, NEET
Which gases are included in the group of greenhouse gases?

Options:
A Oxygen and nitrogen
B Carbon monoxide and sulfur dioxide
C Methane, water vapor, nitrous oxide, CFCs, and ozone
D Hydrogen and helium

The correct answer is:
Methane, water vapor, nitrous oxide, CFCs, and ozone

Solution:
Methane, water vapor, nitrous oxide, CFCs, and ozone are greenhouse gases.

Topic: Chemistry, Environmental Chemistry, NEET
Which gases are major contributors to acid rain when they react with water in the atmosphere?

Options:
A Oxygen and carbon dioxide
B Hydrogen and helium
C Sulfur dioxide and nitrogen dioxide
D Methane and ozone

The correct answer is:
Sulfur dioxide and nitrogen dioxide

Solution:
Sulfur dioxide (SO2) and nitrogen dioxide (NO2) are major contributors to acid rain when they react with water in the atmosphere.

Topic: Chemistry, Environmental Chemistry, NEET
Which gases contribute to the greenhouse effect and global warming by trapping heat in the atmosphere?

Options:
A Oxygen and nitrogen
B Carbon dioxide and methane
C Water vapor and oxygen
D Nitrogen and carbon dioxide

The correct answer is:
Carbon dioxide and methane

Solution:
Greenhouse gases like carbon dioxide and methane trap heat in the Earth's atmosphere, contributing to the greenhouse effect and global warming.

Topic: Chemistry, Environmental Chemistry, NEET
Which gene codes for the repressor of the lac operon?

Options:
A a gene
B y gene
C z gene
D i gene

The correct answer is:
i gene

Solution:
The i gene codes for the repressor of the lac operon.

Topic: Biology, Molecular Basis of Inheritance, NEET
Which gene controls ABO blood groups in human beings?

Options:
A Gene A
B Gene B
C Gene I
D Gene O

The correct answer is:
Gene I

Solution:
The gene I controls ABO blood groups in human beings.

Topic: Biology, Principles of Inheritance and Variation, NEET
Which gene in the lac operon is responsible for the hydrolysis of lactose into its monomeric units?

Options:
A The i gene
B The z gene
C The y gene
D The a gene

The correct answer is:
The z gene

Solution:
The z gene codes for beta-galactosidase, which is responsible for the hydrolysis of lactose into its monomeric units.

Topic: Biology, Molecular Basis of Inheritance, NEET
Which genes control β Thalassemia?

Options:
A HBA1 and HBA2
B HBB
C HBA1, HBA2 and HBB
D None of the above

The correct answer is:
HBB

Solution:
β Thalassemia is controlled by a single gene HBB on chromosome 11 of each parent.

Topic: Biology, Principles of Inheritance and Variation, NEET
Which genes control α Thalassemia?

Options:
A HBA1 and HBA2
B HBB
C HBA1, HBA2 and HBB
D None of the above

The correct answer is:
HBA1 and HBA2

Solution:
α Thalassemia is controlled by two closely linked genes HBA1 and HBA2 on chromosome 16 of each parent.

Topic: Biology, Principles of Inheritance and Variation, NEET
Which genetic disorder is caused by the absence of one of the X chromosomes?

Options:
A Down’s Syndrome
B Turner’s Syndrome
C Klinefelter’s Syndrome
D Huntington's Disease

The correct answer is:
Turner’s Syndrome

Solution:
Turner’s Syndrome is caused by the absence of one of the X chromosomes (45, X0) in females.

Topic: Biology, Principles of Inheritance and Variation, NEET
Which genotype is dominant in the expression of the character 'tall'?

Options:
A TT
B Tt
C tt
D None of the above

The correct answer is:
TT

Solution:
The character T or 'tall' is said to dominate over the other allele t or 'dwarf' character.

Topic: Biology, Principles of Inheritance and Variation, NEET
Which genus is different from Panthera?

Options:
A Solanum
B Felis
C Homo
D Mangifera

The correct answer is:
Felis

Solution:
Panthera genus differs from another genus Felis which includes cats.

Topic: Biology, The Living World, NEET
Which geometrical shape is more common in coordination compounds of transition metals according to Werner?

Options:
A Tetrahedral
B Trigonal bipyramidal
C Octahedral
D Linear

The correct answer is:
Octahedral

Solution:
Werner proposed that octahedral geometrical shapes are more common in coordination compounds of transition metals.

Topic: Chemistry, Coordination Compounds, NEET
Which geometry is represented by Sp3d hybridisation?

Options:
A Square planar
B Trigonal bipyramidal
C Square pyramidal
D octahedral

The correct answer is:
Trigonal bipyramidal

Solution:
Correct Option is : 2
Trigonal bipyramidal

Topic: Chemistry, Chemical Bonding and Molecular Structure, NEET
Which given compound can be reduced with zinc and hydrochloric acid to give the corresponding hydrocarbon

Options:
A Ethyl acetate
B Acetic acid
C Acetamide
D Butan–2–one

The correct answer is:
Butan–2–one

Solution:
Butan-2-one will get reduced into butan-2-one when treated with Zinc and hydrochloric acid following Clemmensen reduction, whereas Zn/HCl do not reduce ester, acid, amide

Topic: Chemistry, Aldehydes and Ketones, NEET
Which given pair is isosteres?

Options:
A ClO4- and OCN-
B NO2- and PO43-
C CO2, N2O, NO3-
D NO2- and O3

The correct answer is:
NO2- and O3

Solution:
Isosteres are atoms, molecules or ions containing the same number of atoms and valence electrons. NO2- and O3 are isostere. The number of atoms in these (=3) and number of electrons (24) are same.

Topic: Chemistry, p Block Elements (Group 15, 16, 17 & 18), NEET
Which given pair of metals can be dissolves in NaOH solution?

Options:
A Al,Cu
B Zn,Al
C Zn,Cu
D Zn,Hg

The correct answer is:
Zn,Al

Solution:
Zn and Al react with NaOH and form soluble compound
Zn+2NaOH→Na2ZnO2+H2
2Al+2NaOH→2NaAlO2+H2

Topic: Chemistry, s Block Elements, NEET
Which government Act of India has passed in 1986 to protect and improve the quality of our environment (air, water, and soil)?

Options:
A NEPA (National Environment Protection Act)
B CPCB (Central Pollution Control Board)
C Euro II norms
D PCP (Prevention and Control of Pollution Act)

The correct answer is:
NEPA (National Environment Protection Act)

Solution:
In order to control environmental pollution, the government of India has passed the National environment protection Act, 1986 to protect and improve the quality of our environment (air, water and soil).

Topic: Biology, Environmental Issues, NEET
Which green algae shows only oogamous type sexual reproduction?

Options:
A Ulothrix
B Volvox
C Spirogyra
D Chlamydomonas

The correct answer is:
Volvox

Solution:
Volvox is colonial green algae and shows oogamous type sexual reproduction while Chlamydomonas shows all three type of sexual reproduction. Ulothrix shows isogamous type of sexual reproduction and spirogyra shows conjugation.

Topic: Biology, Plant Kingdom, NEET
Which greenhouse gas is associated with damage to the ozone layer?

Options:
A Carbon dioxide
B Water vapor
C Chlorofluorocarbons (CFCs)
D Methane

The correct answer is:
Chlorofluorocarbons (CFCs)

Solution:
CFCs are man-made industrial chemicals that are associated with damage to the ozone layer.

Topic: Chemistry, Environmental Chemistry, NEET
Which group 13 element is an exception to the covalent nature of its tri-chlorides, bromides, and iodides in water?

Options:
A Boron
B Aluminum
C Gallium
D Indium

The correct answer is:
Boron

Solution:
Boron is the exception as its tri-chlorides, bromides, and iodides are not covalent in nature in water.

Topic: Chemistry, p Block Elements (Group 13 & 14), NEET
Which group 13 element lacks d orbitals, limiting its covalence to 4?

Options:
A Aluminum
B Gallium
C Boron
D Indium

The correct answer is:
Boron

Solution:
Boron lacks d orbitals, which limits its covalence to 4.

Topic: Chemistry, p Block Elements (Group 13 & 14), NEET
Which group 15 element exhibits the highest bond enthalpy due to a triple bond with itself?

Options:
A Nitrogen
B Phosphorus
C Arsenic
D Antimony

The correct answer is:
Nitrogen

Solution:
Nitrogen exhibits the highest bond enthalpy due to a triple bond with itself, making the N-N bond very strong.

Topic: Chemistry, p Block Elements (Group 15, 16, 17 & 18), NEET
Which Group 17 element is known to be a synthetic radioactive element?

Options:
A Fluorine
B Chlorine
C Bromine
D Tennessine

The correct answer is:
Tennessine

Solution:
Tennessine, with the symbol Ts, is a synthetic radioactive element in Group 17.

Topic: Chemistry, p Block Elements (Group 15, 16, 17 & 18), NEET
Which group in the periodic table exhibits the highest oxidation number equal to the group number?

Options:
A Group 1 (Alkali metals)
B Group 2 (Alkaline earth metals)
C Group 17 (Halogens)
D Group 18 (Noble gases)

The correct answer is:
Group 1 (Alkali metals)

Solution:
The highest oxidation number of a representative element is equal to the group number for the first two groups in the periodic table.

Topic: Chemistry, Redox Reactions, NEET