Chemical Kinetics PYQs - Last 5 Years
MHT CET (Biology) / Chemistry / Physical Chemistry / 12 recent questions
ChemistryPhysical Chemistry2021-2025
Practice 12 MHT CET (Biology) Chemistry questions from Chemical Kinetics. Use the year-wise and type-wise breakdown to prioritize recent PYQs, then continue into the question list below.
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Last 5 Years Chemical Kinetics Questions
Showing 12 of 12 filtered questions.
1Chemical Kinetics
The rate law for the reaction, $x \mathrm{~A}+y \mathrm{~B} \longrightarrow \mathrm{mP}+\mathrm{nQ}$, is $\mathrm{r}=\mathrm{k}[\mathrm{A}]^{\mathrm{c}} \times[\mathrm{B}]^{\mathrm{d}}$ What is the overall order of reaction?
MCQ+1 / -02025
2Chemical Kinetics
Consider the reaction
\(3 \mathrm{I}_{(\mathrm{aq})}^{-}+\mathrm{S}_2 \mathrm{O}_{8(\mathrm{aq})}^{--} \longrightarrow \mathrm{I}_{3(\mathrm{aq})}^{-}+2 \mathrm{SO}_{4(\mathrm{aq})}^{2-}\)
rate of formation of $\mathrm{SO}_4^{2-}$ at a pa...
\(3 \mathrm{I}_{(\mathrm{aq})}^{-}+\mathrm{S}_2 \mathrm{O}_{8(\mathrm{aq})}^{--} \longrightarrow \mathrm{I}_{3(\mathrm{aq})}^{-}+2 \mathrm{SO}_{4(\mathrm{aq})}^{2-}\)
rate of formation of $\mathrm{SO}_4^{2-}$ at a pa...
MCQ+1 / -02025
3Chemical Kinetics
$60 \%$ of a first order reaction is completed in 60 minute. What is the time taken by reactant to decompose half of its original amount?
MCQ+1 / -02025
4Chemical Kinetics
Half life of a first order reaction is 3 hours. Calculate the value of $\frac{[\mathrm{A}]_0}{[\mathrm{~A}]_{\mathrm{t}}}$ after 8 hours.
MCQ+1 / -02025
5Chemical Kinetics
For the reaction
\(\mathrm{N}_{2(\mathrm{~g})}+3 \mathrm{H}_{2(\mathrm{~g})} \longrightarrow 2 \mathrm{NH}_{3(\mathrm{~g})}\)
$\mathrm{N}_{2(\mathrm{~g})}$ disappears at the rate of $2 \times 10^{-4} \mathrm{~mol} \mathrm{dm}^{-3} \mathrm...
\(\mathrm{N}_{2(\mathrm{~g})}+3 \mathrm{H}_{2(\mathrm{~g})} \longrightarrow 2 \mathrm{NH}_{3(\mathrm{~g})}\)
$\mathrm{N}_{2(\mathrm{~g})}$ disappears at the rate of $2 \times 10^{-4} \mathrm{~mol} \mathrm{dm}^{-3} \mathrm...
MCQ+1 / -02025
6Chemical Kinetics
Find the rate of disappearance of $B$ for the reaction $2 \mathrm{~A}+\mathrm{B} \longrightarrow 2 \mathrm{C}+\mathrm{D}$, from following.
MCQ+1 / -02025
7Chemical Kinetics
If half life of a first order reaction is 10 minutes, find the time required to decrease concentration of reactant from 0.08 M to 0.02 M .
MCQ+1 / -02024
8Chemical Kinetics
Which of the following equation exhibits integrated rate law equation for first order reaction?
MCQ+1 / -02024
9Chemical Kinetics
Calculate activation energy for a reaction if it's rate doubles when temperature is raised from $20^{\circ} \mathrm{C}$ to $35^{\circ} \mathrm{C}\left(\mathrm{R}=8.314 \mathrm{~J} \mathrm{~K}^{-1} \mathrm{~mol}^{-1}\right)$
MCQ+1 / -02024
10Chemical Kinetics
For the reaction,
\(3 \mathrm{I}_{(\mathrm{aq})}^{-}+\mathrm{S}_2 \mathrm{O}_{8(\mathrm{aq})}^{2-} \longrightarrow 2 \mathrm{SO}_{4(\mathrm{aq})}^{2-}+\mathrm{I}_{3(\mathrm{aq})}^{-}\)
rate of formation of $\mathrm{SO}_{4(\text { aq })}^{...
\(3 \mathrm{I}_{(\mathrm{aq})}^{-}+\mathrm{S}_2 \mathrm{O}_{8(\mathrm{aq})}^{2-} \longrightarrow 2 \mathrm{SO}_{4(\mathrm{aq})}^{2-}+\mathrm{I}_{3(\mathrm{aq})}^{-}\)
rate of formation of $\mathrm{SO}_{4(\text { aq })}^{...
MCQ+1 / -02024
11Chemical Kinetics
What is rate constant of a first order reaction having half life 138.6 minute?
MCQ+1 / -02024
12Chemical Kinetics
What is the order of a reaction having unit of the rate constant $\mathrm{mol} \mathrm{dm}^{-3} \mathrm{~s}^{-1}$ ?
MCQ+1 / -02024