MHT CET 2023 13th May Morning Shift | Chemical Kinetics Question 102 | Chemistry

$$\begin{aligned} & 2 \mathrm{~N}_2 \mathrm{O}_{5(\mathrm{~g})} \rightarrow 4 \mathrm{NO}_{2(\mathrm{~g})}+\mathrm{O}_{2(\mathrm{~g})} \\ & {\left[\frac{-\mathrm{d}\left[\mathrm{N}_2 \mathrm{O}_5\right]}{\mathrm{dt}}=0.02 \mathrm{~mol} \mathrm{~dm}^{-3}\right]} \end{aligned}$$

$$0.01 \mathrm{~mol} \mathrm{~dm}^{-3}$$

$$0.02 \mathrm{~mol} \mathrm{~dm}^{-3}$$

$$0.03 \mathrm{~mol} \mathrm{~dm}^{-3}$$

$$0.04 \mathrm{~mol} \mathrm{~dm}^{-3}$$

MHT CET 2023 13th May Morning Shift

MCQ (Single Correct Answer)

-0

Calculate the rate constant of the first order reaction if $$20 \%$$ of the reactant decomposes in 15 minutes.

$$1.488 \times 10^{-2}$$ minute $$^{-1}$$

$$1.881 \times 10^{-2}$$ minute $${ }^{-1}$$

$$1.984 \times 10^{-2}$$ minute $$^{-1}$$

$$1.18 \times 10^{-2}$$ minute $$^{-1}$$

MHT CET 2023 13th May Morning Shift

MCQ (Single Correct Answer)

-0

Which from following is the slope of the graph of $$[\mathrm{A}]_{\mathrm{t}}$$ versus time for zero order reaction?

$$-\mathrm{k}$$

$$\mathrm{k}$$

$$\frac{\mathrm{k}}{2.303}$$

$$\frac{-\mathrm{k}}{2.303}$$

MHT CET 2023 12th May Evening Shift

MCQ (Single Correct Answer)

-0

A first order reaction takes 23.03 minutes for $$20 \%$$ decomposition. Calculate its rate constant.

$$5. 6 \times 10^{-3}$$ minute$$^{-1}$$

$$4.5 \times 10^{-3}$$ minute$$^{-1}$$

$$6.5 \times 10^{-3}$$ minute$$^{-1}$$

$$9.69 \times 10^{-3}$$ minute$$^{-1}$$

PREVIOUS NEXT

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