Chemistry MCQs

Option A: proteins and oild

Option B: fats and proteins

Option C: fats and oils

Option D: all above

Correct Answer: fats and oils ✔

Option A: C15H31COOH

Option B: C13H27COOH

Option C: C17H33COOH

Option D: C17H35COOH

Correct Answer: C15H31COOH ✔

Option A: Acetic acid

Option B: Formic acid

Option C: Butanoic acid

Option D: Citric acid

Correct Answer: Acetic acid ✔

Option A: Sweet taste

Option B: Bitter taste

Option C: Shining appearance

Option D: Green colour

Correct Answer: Sweet taste ✔

Option A: Lysine

Option B: Histidine

Option C: Proline

Option D: Glutamic acid

Correct Answer: Proline ✔

Option A: Citric acid

Option B: Benzoic acid

Option C: Tartaric acid

Option D: Oxalic acid

Correct Answer: Citric acid ✔

Option A: Acidic character of amino acids

Option B: Basic character of amino acids

Option C: Dipolar character of amino acids

Option D: Non-polar structure of amino acids

Correct Answer: Dipolar character of amino acids ✔

Option A: 2 amino groups and 1 carboxylic group

Option B: 1 amino and 1 carboxylic groups

Option C: 2 carboxylic groups and 1 amino group

Option D: 2 amino and 2 carboxylic groups

Correct Answer: 2 carboxylic groups and 1 amino group ✔

Option A: Water

Option B: Formic acid

Option C: Acetic acid

Option D: Propanoic acid

Correct Answer: Formic acid ✔

Option A: Lactic acid

Option B: Formic acid

Option C: Uric acid

Option D: Acetic acid

Correct Answer: Formic acid ✔

Option A: Oxalic acid

Option B: Aromatic acid

Option C: Malonic acid

Option D: Fumaric acid

Correct Answer: Malonic acid ✔

Option A: malonic acid

Option B: oxalic acid

Option C: succinic acid

Option D: maleic acid

Correct Answer: maleic acid ✔

Option A: lysine

Option B: alanine

Option C: tyrosine

Option D: proline

Correct Answer: tyrosine ✔

Option A: isobutyl formate

Option B: octyl acetate

Option C: ethyl butyrate

Option D: amyl lactate

Correct Answer: octyl acetate ✔

Option A: amyl acetate

Option B: sodium butyrate

Option C: isobutyle formate

Option D: octyl acetate

Correct Answer: sodium butyrate ✔

Option A: ethanol

Option B: acetic acid

Option C: ethanol and acetic acid

Option D: ethanol and sodium acetate

Correct Answer: ethanol ✔

Option A: Propanoic acid

Option B: Acetic acid

Option C: Phthalic acid

Option D: Butanoic acid

Correct Answer: Phthalic acid ✔

Option A: 5

Option B: 10

Option C: 15

Option D: 20

Correct Answer: 10 ✔

Option A: monocarboxylc acid

Option B: dicarboxylic acid

Option C: aromatic carboxylic acid

Option D: none of these

Correct Answer: none of these ✔

Option A: Alkyne

Option B: Alkene

Option C: Alkane

Option D: Alcohol

Correct Answer: Alkane ✔

Option A: CO2

Option B: Alkane

Option C: Ester

Option D: Acidamide

Correct Answer: Acidamide ✔

Option A: Ninhydrin test

Option B: Molisch test

Option C: Biuretic test

Option D: Benedict test

Correct Answer: Ninhydrin test ✔

Option A: phthalic acid

Option B: carbolic acid

Option C: Maleic acid

Option D: Succinic acid

Correct Answer: carbolic acid ✔

Option A: Carboxyl to amino group

Option B: Amino to carboxyl group

Option C: Amino group only

Option D: Carboxyl group only

Correct Answer: Carboxyl to amino group ✔

Option A: Acetic acid

Option B: Formic acid

Option C: Carbonic acid

Option D: Benzoic acid

Correct Answer: Acetic acid ✔

Option A: Oxalic acid

Option B: Succinic acid

Option C: Adipic acid

Option D: Acetic acid

Correct Answer: Oxalic acid ✔

Option A: Aromatic

Option B: Dicarboxylic

Option C: Hydrocarbons

Option D: Strong acids

Correct Answer: Dicarboxylic ✔

Option A: Aliphatic

Option B: Alicyclic

Option C: Carboxylic

Option D: Aromatic

Correct Answer: Aromatic ✔

Option A: Mg > Sr

Option B: Ba > Mg

Option C: Lu > Ce

Option D: C1 > I

Correct Answer: Ba > Mg ✔

Option A: Strong covalent bond

Option B: Large value of dipole moment

Option C: High polarizability

Option D: Strong hydrogen bonding

Correct Answer: High polarizability ✔

Option A: Covalent halides

Option B: Electronegative halides

Option C: Polymeric halides

Option D: Polymeric hydrides

Correct Answer: Polymeric halides ✔

Option A: Number of electrons gained

Option B: Number of electrons lost

Option C: Apparent charge in compound

Option D: Its vacancies

Correct Answer: Apparent charge in compound ✔

Option A: Increase down the group

Option B: Decrease down the group

Option C: No regular trend

Option D: Remain same

Correct Answer: Increase down the group ✔

Option A: Exothermic

Option B: Endothermic

Option C: Data is insufficient

Option D: Unpredictable

Correct Answer: Endothermic ✔

Option A: Nuclear charge

Option B: Atomic size

Option C: Shielding effect

Option D: I.E depends upon all of the above and nature of orbital

Correct Answer: I.E depends upon all of the above and nature of orbital ✔

Option A: Hard water

Option B: Heavy water

Option C: Soft water

Option D: Water gas

Correct Answer: Heavy water ✔

Option A: Ionization energy

Option B: Atomic radii

Option C: Melting & boiling points

Option D: Atomic volume

Correct Answer: Melting & boiling points ✔

Option A: Location of nucleus by Rutherford

Option B: Atomic number by Moseley

Option C: X-rays by Roentgen

Option D: Natural radioactivity by Henry Bacquerel.

Correct Answer: Atomic number by Moseley ✔

Option A: Melting point of elements

Option B: Boiling point of elements

Option C: Ionization energy of elements

Option D: Coordination number of ions

Correct Answer: Coordination number of ions ✔

Option A: Boron & Beryllium

Option B: Nitrogen & Phosphorous

Option C: Magnesium & Aluminium

Option D: Gallium & Helium

Correct Answer: Nitrogen & Phosphorous ✔

Option A: Same number of electrons in the valence shell

Option B: Similar physical state

Option C: Remarkable reducing properties

Option D: Homovalent (show same valency)

Correct Answer: Remarkable reducing properties ✔

Option A: Acidic

Option B: Basic

Option C: Acidic and basic

Option D: Neutral and acidic

Correct Answer: Acidic ✔

Option A: 2

Option B: 4

Option C: 8

Option D: 7

Correct Answer: 4 ✔

Option A: 2

Option B: 4

Option C: 6

Option D: 8

Correct Answer: 2 ✔

Option A: 6th

Option B: 7th

Option C: 2nd and 3rd both

Option D: 5th

Correct Answer: 6th ✔

Option A: less reactive

Option B: Zero group elements

Option C: Having completely filled valence shell

Option D: All

Correct Answer: All ✔

Option A: Hydrogen

Option B: Sodium

Option C: Copper

Option D: Germanium

Correct Answer: Germanium ✔

Option A: Al-Razi

Option B: Moseley

Option C: Dobereiner

Option D: Democritus

Correct Answer: Democritus ✔

Option A: Flrorine

Option B: Chlorine

Option C: Bromine

Option D: Iodine

Correct Answer: Iodine ✔

Option A: Metallic character

Option B: Electronegativity

Option C: Oxidizing power

Option D: Tendency to get reduced

Correct Answer: Metallic character ✔

Option A: Group IA

Option B: Group IB

Option C: Group VIIA

Option D: Group VIII

Correct Answer: Group IA ✔

Option A: O-2

Option B: H+

Option C: Cl-

Option D: Na+

Correct Answer: O-2 ✔

Option A: Cr

Option B: Mn

Option C: Sn

Option D: O

Correct Answer: Mn ✔

Option A: MnO < MnO2 < Mn2O7

Option B: Mn2O7 > MnO2 > MnO

Option C: MnO2 > MnO > Mn2O7

Option D: MnO2 > Mn2O7 > MnO

Correct Answer: Mn2O7 > MnO2 > MnO ✔

Option A: Na+

Option B: K+

Option C: Mg+2

Option D: Ca+2

Correct Answer: Mg+2 ✔

Option A: Increase

Option B: Decrease

Option C: Remain constant

Option D: No regular trend

Correct Answer: Increase ✔

Option A: Atom will lose electron easily

Option B: Atom will gain electron easily

Option C: Atom may form di-positive ion

Option D: The reason is unknown

Correct Answer: Atom will gain electron easily ✔

Option A: Increases

Option B: Decreases

Option C: Can not be predicted

Option D: Remains constant

Correct Answer: Remains constant ✔

Option A: Isobars

Option B: Isomers

Option C: Isotopes

Option D: Isotropes

Correct Answer: Isotopes ✔

Option A: H+

Option B: H-

Option C: Cl-

Option D: All are stable

Correct Answer: Cl- ✔

Option A: Group II-A

Option B: Group IV-A

Option C: Group VII-A

Option D: Group VI-A

Correct Answer: Group IV-A ✔

Option A: Alkali metal

Option B: Alkaline earth metal

Option C: Elements from Li to Ne

Option D: Halogens

Correct Answer: Elements from Li to Ne ✔

Option A: The nature of its oxides

Option B: The charge on its ions

Option C: The formula of its oxide

Option D: Its number of isotopes

Correct Answer: Its number of isotopes ✔

Option A: Cu Hg Au

Option B: Cu Ag Au

Option C: Ag Au Hg

Option D: Cu Fe Au

Correct Answer: Cu Ag Au ✔

Option A: Both are electropositive

Option B: Similar outer most shell electronic configuration

Option C: Both form ionic compounds

Option D: All

Correct Answer: All ✔

Option A: Acidic

Option B: Amphoteric

Option C: Neutral

Option D: All of the above

Correct Answer: Acidic ✔

Option A: Lanthanides

Option B: Actinides

Option C: Rare earth metals

Option D: All

Correct Answer: All ✔

Option A: Valency

Option B: Atomic mass

Option C: Atomic number

Option D: Valence electrons

Correct Answer: Atomic number ✔

Option A: Same family

Option B: Same period

Option C: p block elements

Option D: Right upper corner

Correct Answer: Same family ✔

Option A: Dobereiner

Option B: Newland

Option C: Mendeleev

Option D: Al-Razi

Correct Answer: Dobereiner ✔

Option A: Physical properties

Option B: Chemical properties

Option C: Properties of their compounds

Option D: All

Correct Answer: All ✔

Option A: H+

Option B: H-

Option C: Mg2+

Option D: Ca2+

Correct Answer: H+ ✔

Option A: Alkali metals (I-A)

Option B: Group-14 elements (IV-A)

Option C: Group-18 elements (VIII-A)

Option D: Halogens (VII-A)

Correct Answer: Group-18 elements (VIII-A) ✔

Option A: Number of valence electrons

Option B: Atomic number

Option C: Atomic mass

Option D: Atomic volume

Correct Answer: Number of valence electrons ✔

Option A: Refractometric method

Option B: Dilatometric method

Option C: Optical activity method

Option D: Half life method

Correct Answer: Half life method ✔

Option A: yl

Option B: ase

Option C: one

Option D: al

Correct Answer: ase ✔

Option A: Non proteineous

Option B: Proteineous

Option C: sugars

Option D: lipids

Correct Answer: Non proteineous ✔

Option A: Products

Option B: Chemical equilibrium

Option C: Reactants

Option D: both A & B

Correct Answer: both A & B ✔

Option A: Specificity

Option B: Special structure

Option C: Its own Ea

Option D: all of above

Correct Answer: all of above ✔

Option A: Promoters

Option B: Poisoning catalysts

Option C: Inhibitors

Option D: pro-catalysts

Correct Answer: Poisoning catalysts ✔

Option A: Greater will be dx/dt

Option B: Lesser will be dx/dt

Option C: dx/dt will be moderate

Option D: any of above

Correct Answer: Greater will be dx/dt ✔

Option A: Ea

Option B: P.E

Option C: V

Option D: K.E

Correct Answer: Ea ✔

Option A: Pressure

Option B: Effective collision

Option C: Ineffective collisions

Option D: Temperature

Correct Answer: Effective collision ✔

Option A: First order

Option B: Second order

Option C: Third order

Option D: Zero order

Correct Answer: Second order ✔

Option A: Arrhenius constant

Option B: Molecularity

Option C: Specific rate constant

Option D: Ideal rate constant

Correct Answer: Specific rate constant ✔

Option A: I and II quadrant

Option B: II and III quadrant

Option C: III and IV quadrant

Option D: II and IV quadrant

Correct Answer: II and IV quadrant ✔

Option A: Concentration of reactant does not change

Option B: Concentration of product increases

Option C: Concentration of reactant decreases

Option D: Concentration of reactant increases

Correct Answer: Concentration of reactant decreases ✔

Option A: Order of reaction

Option B: Molecularity

Option C: Rate of reaction

Option D: Average of reaction

Correct Answer: Order of reaction ✔

Option A: The activation energy of the reaction increases

Option B: Concentration of the reacting molecules increases

Option C: Collision frequency increases

Option D: None of these

Correct Answer: Collision frequency increases ✔

Option A: Increases the rate of forward reaction only

Option B: Increases the rate of reverse reaction

Option C: Increases the rate of forward but decreases the rate of backward reaction

Option D: Increases the rate of forward as well as backward reaction equally

Correct Answer: Increases the rate of forward as well as backward reaction equally ✔

Option A: 2N2O5 = 2N2O4 + O3

Option B: NO + O3 ? NO2 + O2

Option C: 2FeCl3 + 6KI ? 2FeI2 + 6KCl + I2

Option D: None of these

Correct Answer: 2FeCl3 + 6KI ? 2FeI2 + 6KCl + I2 ✔

Option A: it is used in smaller amount

Option B: decrease activation energy

Option C: specific in action

Option D: it affects specific rate constant

Correct Answer: it affects specific rate constant ✔

Option A: Endothermic

Option B: Exothermic

Option C: Moderate

Option D: Fast

Correct Answer: Endothermic ✔

Option A: Fast step

Option B: Slowest step

Option C: All steps

Option D: Molecularity of the reaction

Correct Answer: Slowest step ✔

Option A: Promoters

Option B: Inhibitors

Option C: Stimulators

Option D: Non-activators

Correct Answer: Promoters ✔

Option A: Substrate

Option B: Structure

Option C: Temperature

Option D: Pressure

Correct Answer: Structure ✔

Option A: Enzymes

Option B: Substrate

Option C: Lipids

Option D: any of above

Correct Answer: Enzymes ✔

Option A: Homogeneous catalysis

Option B: Heterogeneous catalysis

Option C: Catalysis

Option D: Ea

Correct Answer: Heterogeneous catalysis ✔

Option A: Promoter

Option B: Catalyst

Option C: Inhibitor

Option D: All of the above

Correct Answer: Catalyst ✔

Option A: Double decomposition reaction

Option B: Neutralization reaction

Option C: Ionic reactions

Option D: all of above

Correct Answer: all of above ✔