1
MHT CET 2026 19th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
During the electrolysis of aqueous NaCl the product formed at cathode is?
A
$\text{Cl}_{2(g)}$
B
$\text{O}_{2(g)}$
C
$\text{Na}_{(s)}$
D
$\text{H}_{2(g)}$
2
MHT CET 2026 19th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
Which of the following is an elementary reaction ?
A
$\text{O}_{3(g)} \rightarrow \text{O}_{2(g)} + \text{O}_{(g)}$
B
$2\text{NO}_2\text{Cl}_{(g)} \rightarrow 2\text{NO}_{2(g)} + \text{Cl}_{2(g)}$
C
$2\text{NO}_{2(g)} + \text{F}_{2(g)} \rightarrow 2\text{NO}_2\text{F}_{(g)}$
D
$2\text{NO}_{(g)} + \text{Cl}_{2(g)} \rightarrow 2\text{NOCl}_{(g)}$
3
MHT CET 2026 19th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
A first order reaction take $30$ minutes for $75\%$ decomposition, calculate its rate constant ?
A
$0.0238\ \text{minute}^{-1}$
B
$0.0463\ \text{minute}^{-1}$
C
$0.0715\ \text{minute}^{-1}$
D
$0.0957\ \text{minute}^{-1}$
4
MHT CET 2026 19th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
Rate constant of decomposition of hydrogen peroxide is $0.0204\ \text{minutes}^{-1}$, calculate half life of reaction.
A
$17.56$ minutes
B
$33.97$ minutes
C
$51.50$ minutes
D
$68.70$ minutes

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