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1
MHT CET 2026 17th April Evening Shift
MCQ (Single Correct Answer)
+1
-0
Which of the following is an example of second order reaction ?
A
$2\,\text{H}_2\text{O}_{2(l)} \rightarrow 2\text{H}_2\text{O}_{(l)} + \text{O}_{2(g)}$
B
$\text{CH}_3\text{CHO}_{(g)} \rightarrow \text{CH}_{4(g)} + \text{CO}_{(g)}$
C
$2\,\text{NO}_{2(g)} + \text{F}_{2(g)} \rightarrow 2\text{NO}_2\text{F}_{(g)}$
D
$2\,\text{NO}_{(g)} + 2\text{H}_{2(g)} \rightarrow \text{N}_{2(g)} + 2\text{H}_2\text{O}_{(l)}$
2
MHT CET 2026 17th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
Half life of zero order reaction is 1 hour. If initial concentration of reactant is 2.0 mol $\text{L}^{-1}$, find the time required to decrease concentration from 0.50 to 0.25 mol $\text{L}^{-1}$
A
$0.25$ hour
B
$0.50$ hour
C
$1.00$ hour
D
$4.00$ hour
3
MHT CET 2026 17th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
What is the term used for the minimum kinetic energy required for the reactant molecules to undergo reaction?
A
Potential energy
B
Bond energy
C
Thermal energy
D
Activation energy
4
MHT CET 2026 17th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
If time required for 90 % completion of a first order reaction is '$t$'. What is the time required for 99.9 % completion of reaction at same temperature?
A
$3t$
B
$2t$
C
$t$
D
$\dfrac{3t}{2}$
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