1
MHT CET 2025 23rd April Evening Shift
MCQ (Single Correct Answer)
+1
-0
A first order reaction is $50 \%$ completed in 16 minutes. Find the percentage of reactant reacting in 32 minutes.
2
MHT CET 2025 23rd April Morning Shift
MCQ (Single Correct Answer)
+1
-0
Find the rate of following reaction.
$$ 2 \mathrm{~N}_2 \mathrm{O}_{5(\mathrm{~g})} \longrightarrow 4 \mathrm{NO}_{2(\mathrm{~g})}+\mathrm{O}_{2(\mathrm{~g})} $$
if concentration of $\mathrm{NO}_2$ increases to $5.2 \times 10^{-3} \mathrm{M}$ in 100 seconds.
3
MHT CET 2025 23rd April Morning Shift
MCQ (Single Correct Answer)
+1
-0
The rate constant of a first order reaction is $1.15 \times 10^{-3} \mathrm{~s}^{-1}$. How long will 5 g of reactant take to reduce to 3 g ?
4
MHT CET 2025 23rd April Morning Shift
MCQ (Single Correct Answer)
+1
-0
Which of the following is an example of first order reaction?
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