AIIMS 2018 | Haloalkanes and Haloarenes Question 3 | Chemistry

$$\mathrm{C}_6 \mathrm{H}_5 \mathrm{I}+2 \mathrm{Na}+\mathrm{CH}_3 \mathrm{I} \longrightarrow \mathrm{C}_6 \mathrm{H}_5 \mathrm{CH}_3+2 \mathrm{NaI}$$

$$2 \mathrm{C}_6 \mathrm{H}_5 \mathrm{I}+2 \mathrm{Na} \longrightarrow \mathrm{C}_6 \mathrm{H}_5 \mathrm{C}_6 \mathrm{H}_5+2 \mathrm{NaI}$$

$$2 \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{I}+2 \mathrm{Na} \longrightarrow \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{CH}_3+2 \mathrm{Nal}$$

$$\mathrm{CH}_3 \mathrm{Br}+\mathrm{AgF} \longrightarrow \mathrm{CH}_3 \mathrm{F}+\mathrm{AgBr}$$

AIIMS 2018

MCQ (Single Correct Answer)

-0.33

A bromoalkane '$$X$$' reacts with magnesium in dry ether to form compound '$$Y$$'. The reaction of '$$Y$$' with methanol followed by hydrolysis yield an alcohol having molecular formula, $$\mathrm{C}_4 \mathrm{H}_{10} \mathrm{O}$$. The compound '$$X$$' is

bromomethane

bromoethane

1-bromopropane

2-bromopropane

AIIMS 2018

MCQ (Single Correct Answer)

-0.33

Assertion (A) The boiling points of alkyl halides decrease in the order $$R \mathrm{I}>R \mathrm{Br}>\mathrm{RCl}>\mathrm{RF}$$.

Reason (R) The boiling points of alkyl chlorides, bromides and iodides are considerably higher than that of the hydrocarbon of comparable molecular mass.

Both (A) and (R) are true and (R) is the correct explanation of (A).

Both (A) and (R) are true, but (R) is not the correct explanation of (A).

(A) is true and (R) is false.

Both (A) and (R) are false.

AIIMS Subjects

Biology

Botany

Zoology

Human Health and Diseases Body Fluids and Its Circulation Locomotion and Movement Structural Organisation in Animals Digestion and Absorption Excretory Products and Their Elimination Chemical Coordination and Integration Human Reproduction Animal Kingdom Evolution