1
MHT CET 2024 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The reaction $2 \mathrm{~A}+\mathrm{B}+\mathrm{C} \longrightarrow \mathrm{D}+\mathrm{E}$ is found to be first order in A , second order in B and zero order in C . What is the effect of increasing concentration of all reactants twice?

A
Rate of reaction increases 8 times.
B
Rate of reaction increases 24 times.
C
Rate of reaction increases 36 times.
D
Rate of reaction remains unaffected.
2
MHT CET 2024 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Identify order of following reaction.

$$\mathrm{H}_2 \mathrm{O}_{2(\mathrm{~g})} \longrightarrow 2 \mathrm{H}_2 \mathrm{O}_{(\mathrm{l})}+\mathrm{O}_{2(\mathrm{~g})}$$

A
0
B
1
C
1.5
D
2
3
MHT CET 2024 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

For the reaction, $\mathrm{N}_{2(\mathrm{g})}+3 \mathrm{H}_{2(\mathrm{g})} \longrightarrow 2 \mathrm{NH}_{3(\mathrm{g})}$ $\mathrm{NH}_3$ is formed at a rate of $0.088 \mathrm{~mol} \mathrm{~dm}^{-3} \mathrm{~s}^{-1}$. Calculate consumption rate of $\mathrm{N}_{2(\mathrm{g})}$.

A
$0.011 \mathrm{~mol} \mathrm{~dm}^{-3} \mathrm{~s}^{-1}$
B
$0.022 \mathrm{~mol} \mathrm{~dm}^{-3} \mathrm{~s}^{-1}$
C
$0.033 \mathrm{~mol} \mathrm{~dm}^{-3} \mathrm{~s}^{-1}$
D
$0.044 \mathrm{~mol} \mathrm{~dm}^{-3} \mathrm{~s}^{-1}$
4
MHT CET 2024 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Consider the reaction $3 \mathrm{I}^{-}+\mathrm{S}_2 \mathrm{O}_8^{2-} \longrightarrow \mathrm{I}_3^{-}+2 \mathrm{SO}_4^{2-}$, at a particular time t , $\frac{\mathrm{d}\left[\mathrm{SO}_4^{2-}\right]}{\mathrm{dt}}$ is $2.2 \times 10^{-2} \mathrm{~mol} \mathrm{dm}^{-3} \mathrm{~s}^{-1}$. What is the value of $\frac{\mathrm{d}\left[\mathrm{S}_2 \mathrm{O}_8^{2-}\right]}{\mathrm{dt}}$ ?

A
$1.1 \times 10^{-2} \mathrm{~mol} \mathrm{~dm}^{-3} \mathrm{~s}^{-1}$
B
$2.2 \times 10^{-2} \mathrm{~mol} \mathrm{~dm}^{-3} \mathrm{~s}^{-1}$
C
$3.3 \times 10^{-2} \mathrm{~mol} \mathrm{~dm}^{-3} \mathrm{~s}^{-1}$
D
$6.6 \times 10^{-2} \mathrm{~mol} \mathrm{~dm}^{-3} \mathrm{~s}^{-1}$
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