MHT CET 2026 20th April Evening Shift | Chemical Kinetics Question 1 | Chemistry

Calculate the rate constant of first order reaction $\text{A} \rightarrow \text{B}$ having rate $5.4 \times 10^{-6}\ \text{mol dm}^{-3}\text{s}^{-1}$ and $[\text{A}] = 0.3$ M.

$1.52 \times 10^{-5}\ \text{s}^{-1}$

$1.68 \times 10^{-5}\ \text{s}^{-1}$

$1.72 \times 10^{-5}\ \text{s}^{-1}$

$1.80 \times 10^{-5}\ \text{s}^{-1}$

MHT CET 2026 20th April Evening Shift

MCQ (Single Correct Answer)

-0

What is the order and molecularity of the following elementary reaction?
$2\text{NO}_{2(g)} \rightarrow 2\text{NO}_{(g)} + \text{O}_{2(g)}$, rate $= k \times [\text{NO}_2]^2$

The reaction is second order and biomolecular.

The reaction is first order and bimolecular.

The reaction is second order and unimolecular.

The reaction is zero order and unimolecular.

MHT CET 2026 20th April Morning Shift

MCQ (Single Correct Answer)

-0

Identify correct statement regarding order of reaction from following.

Rate of zero order reaction depends on initial concentration of reactant.

Decomposition of acetaldehyde is a first order reaction.

Half life of first order reaction is independent of initial concentration of reactant.

Half life of zero order reaction is independent of initial concentration of reactant

MHT CET Subjects

Browse all chapters by subject

Chemistry

Physical Chemistry

Some Basic Concepts of Chemistry Atomic Structure States of Matter Thermodynamics Chemical Equilibrium Ionic Equilibrium Liquid Solution Redox Reactions Surface Chemistry Solid State Electrochemistry Chemical Kinetics Nuclear Chemistry

Inorganic Chemistry

Periodic Table and Periodicity Chemical Bonding and Molecular Structure Metallurgy Hydrogen and It's Compounds s-Block Elements p-Block Elements d and f Block Elements Coordination Compounds Environmental Chemistry

Organic Chemistry

IUPAC Nomenclatures General Organic Chemistry Isomerism Hydrocarbons Haloalkanes and Haloarenes Alcohol, Phenols and Ethers Aldehyde and Ketone Carboxylic Acids and Its Derivatives Compounds Containing Nitrogen Polymers Biomolecules Chemistry in Everyday Life Practical Organic Chemistry