Class 11 Chemistry MCQs
Some Basic Concepts of Chemistry MCQs
Some Basic Concepts of Chemistry — MCQs 1. Avogadro's number is: A. B. C. D. Answer: A 2. The number of moles in 88 g of (molar mass 44) is: A. 1 B. 2 C. 4 D. 0.5 Answer: B 3. Mol…
Structure of Atom MCQs
Structure of Atom — MCQs 1. The principle that no two electrons have all four quantum numbers same is: A. Aufbau B. Pauli's exclusion C. Hund's rule D. Heisenberg's Answer: B 2. T…
Classification of Elements and Periodicity MCQs
Classification of Elements and Periodicity — MCQs 1. Modern periodic law is based on: A. atomic mass B. atomic number C. valency D. density Answer: B 2. Across a period, atomic ra…
Chemical Bonding and Molecular Structure MCQs
Chemical Bonding and Molecular Structure — MCQs 1. The shape of a methane molecule is: A. linear B. tetrahedral C. trigonal planar D. bent Answer: B 2. Molecular shapes are predic…
Thermodynamics MCQs
Thermodynamics — MCQs 1. The first law of thermodynamics is: A. B. C. D. Answer: A 2. A reaction is spontaneous when is: A. positive B. negative C. zero D. infinite Answer: B 3. E…
Equilibrium MCQs
Equilibrium — MCQs 1. At equilibrium, the rates of forward and backward reactions are: A. zero B. equal C. maximum D. unequal Answer: B 2. The pH of a 0.01 M HCl solution is: A. 1…
Redox Reactions MCQs
Redox Reactions — MCQs 1. Oxidation is the: A. gain of electrons B. loss of electrons C. gain of protons D. loss of protons Answer: B 2. The oxidation number of S in is: A. +2 B.…
Organic Chemistry – Basic Principles MCQs
Organic Chemistry – Basic Principles — MCQs 1. Carbon's valency is: A. 2 B. 3 C. 4 D. 1 Answer: C 2. A positively charged carbon intermediate is a: A. carbanion B. carbocation C.…
Hydrocarbons MCQs
Hydrocarbons — MCQs 1. Alkanes mainly undergo: A. addition B. substitution C. elimination D. polymerisation Answer: B 2. Benzene undergoes mainly: A. nucleophilic substitution B.…