1
MHT CET 2025 5th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is the order of reactivity of alkyl halides with ammonia?

A

$\mathrm{R}-\mathrm{Cl}>\mathrm{R}-\mathrm{Br}>\mathrm{R}-\mathrm{I}$

B

$\mathrm{R}-\mathrm{Br}>\mathrm{R}-\mathrm{I}>\mathrm{R}-\mathrm{Cl}$

C

$\mathrm{R}-\mathrm{I}>\mathrm{R}-\mathrm{Br}>\mathrm{R}-\mathrm{Cl}$

D

$\mathrm{R}-\mathrm{Cl}>\mathrm{R}-\mathrm{I}>\mathrm{R}-\mathrm{Br}$

2
MHT CET 2025 5th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

For the reaction,

$$ 2 \mathrm{~N}_2 \mathrm{O}_{5(\mathrm{~g})} \longrightarrow 4 \mathrm{NO}_{2(\mathrm{~g})}+\mathrm{O}_{2(\mathrm{~g})} $$

$\mathrm{N}_2 \mathrm{O}_5$ disappears at a rate of $x \mathrm{~mol} \mathrm{dm}^{-3} \mathrm{~s}^{-1}$

Find the rate of formation of $\mathrm{O}_2$ ?

A

$\quad x \mathrm{~mol} \mathrm{dm}^{-3} \mathrm{~s}^{-1}$

B

$2 x \mathrm{~mol} \mathrm{dm}^{-3} \mathrm{~s}^{-1}$

C

$\frac{x}{2} \mathrm{~mol} \mathrm{dm}^{-3} \mathrm{~s}^{-1}$

D

$\frac{3 x}{2} \mathrm{~mol} \mathrm{dm}^{-3} \mathrm{~s}^{-1}$

3
MHT CET 2025 5th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

$$ \text { Which among the following is haloarene? } $$

A
MHT CET 2025 5th May Evening Shift Chemistry - Haloalkanes and Haloarenes Question 4 English Option 1
B
MHT CET 2025 5th May Evening Shift Chemistry - Haloalkanes and Haloarenes Question 4 English Option 2
C
MHT CET 2025 5th May Evening Shift Chemistry - Haloalkanes and Haloarenes Question 4 English Option 3
D
MHT CET 2025 5th May Evening Shift Chemistry - Haloalkanes and Haloarenes Question 4 English Option 4
4
MHT CET 2025 5th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following molecules does not obey octet rule?

A

$\quad \mathrm{CO}_2$

B

$\mathrm{CHCl}_3$

C

$\quad \mathrm{ClF}_3$

D

$\mathrm{NH}_3$

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