Haloalkanes and Haloarenes · Chemistry · KCET

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MCQ (Single Correct Answer)

1
KCET 2025 Chemistry - Haloalkanes and Haloarenes Question 3 English
KCET 2025
2

Chlorobenzene reacts with bromine gas in the presence of Anhyd $\mathrm{AlBr}_3$ to yield p-Bromochlorobenzene. This reaction is classified as ____________

KCET 2025
3

The organometallic compound $\left(\mathrm{CH}_3\right)_3 \mathrm{CMgBr}$ on reaction with $\mathrm{D}_2 \mathrm{O}$ produces $\qquad$

KCET 2025
4

In the following scheme of reaction.

KCET 2024 Chemistry - Haloalkanes and Haloarenes Question 7 English

X, y and Z respectively are

KCET 2024
5

A haloalkane undergoes $\mathrm{S}_{\mathrm{N}} 2$ or $\mathrm{S}_{\mathrm{N}} 1$ reaction depending on

KCET 2024
6

Identify A, B and C in the sequence.

$$\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{Br} \underset{\text { Alc. }}{\stackrel{\mathrm{KCN}}{\longrightarrow}} A \stackrel{\mathrm{LiAlH}_4}{\longrightarrow} B \stackrel{\mathrm{HNO}_2}{\longrightarrow} C$$

KCET 2023
7

In the following pairs of halogen compounds, which compound undergoes faster $$S_N 1$$ reaction?

KCET 2022 Chemistry - Haloalkanes and Haloarenes Question 15 English

KCET 2022
8

Which one of the following chlorohydrocarbon readily undergoes solvolysis?

KCET 2022
9

Peroxide effect is observed with the addition of $$\mathrm{HBr}$$ but not with the addition of HI to unsymmetrical alkene because

KCET 2021
10

The order of reactivity of the compounds $$\mathrm{C}_6 \mathrm{H}_5 \mathrm{CH}_2 \mathrm{Br}, \mathrm{C}_6 \mathrm{H}_5 \mathrm{CH}\left(\mathrm{C}_6 \mathrm{H}_5\right) \mathrm{Br}, \mathrm{C}_6 \mathrm{H}_5 \mathrm{CH}\left(\mathrm{CH}_3\right) \mathrm{Br}$$ and $$\mathrm{C}_6 \mathrm{H}_5 \mathrm{C}\left(\mathrm{CH}_3\right)\left(\mathrm{C}_6 \mathrm{H}_5\right) \mathrm{Br}$$ in $$\mathrm{S}_{\mathrm{N}} 2$$ reaction is

KCET 2021
11

Which of the following halide shows highest reactivity towards $$\mathrm{S}_{\mathrm{N}} 1$$ reaction?

KCET 2020
12

Which of the following halide undergoes hydrolysis on warming with water/aqueous $$\mathrm{NaOH}$$ ?

KCET 2019
13

The compound having longest C$$-$$Cl bond is

KCET 2019
14
Which of the following statements is true is case of alkyl halides?
KCET 2018
15
Tertiary alkyl halide is practically inert to substitution by $\mathrm{S}_{\mathrm{N}} 2$ mechanism because of
KCET 2018
16
Toluene reacts with halogen in presence of iron (III) chloride giving ortho and para halo compounds. The reaction is
KCET 2017
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