For the compounds CH 3 Cl, CH 3 Br, CH 3 I and CH 3 F, the correct order of increasing C-halogen bond length is :

CH 3 F < CH 3 Cl < CH 3 Br < CH 3 I

CH 3 F < CH 3 Br < CH 3 Cl < CH 3 I

CH 3 F < CH 3 I < CH 3 Br < CH 3 Cl

CH 3 Cl < CH 3 Br < CH 3 F < CH 3 I

EASY

Earn 100

Explain the solubility of haloarenes.

Important Questions on Haloalkanes and Haloarenes

EASY

Chemistry>Organic Chemistry>Haloalkanes and Haloarenes>Physical Properties of Haloarenes

The correct pair(s) of the ambident nucleophiles is (are):
(A)

AgCN / KCN

(B)

RCOOAg / RCOOK

(C)

{AgNO}_{2} / {KNO}_{2}

(D)

AgI / KI

MEDIUM

Chemistry>Organic Chemistry>Haloalkanes and Haloarenes>Physical Properties of Haloarenes

Which of the following will most readily give the dehydrohalogenation product?

EASY

Chemistry>Organic Chemistry>Haloalkanes and Haloarenes>Physical Properties of Haloarenes

For the compounds CH₃Cl, CH₃Br, CH₃I and CH₃F, the correct order of increasing C-halogen bond length is :

HARD

Chemistry>Organic Chemistry>Haloalkanes and Haloarenes>Physical Properties of Haloarenes

Explain why alkyl halides, though polar, are immiscible with water?

MEDIUM

Chemistry>Organic Chemistry>Haloalkanes and Haloarenes>Physical Properties of Haloarenes

The compound

A

on reaction with chlorine in presence of

u . v .

light gives

B

; which when reacted with

{AgNO}_{2}

in the solvent

N, N

-dimethylformamide, gives

2

-Nitrobutane. The compound

A

MEDIUM

Chemistry>Organic Chemistry>Haloalkanes and Haloarenes>Physical Properties of Haloarenes

The major product of the following reaction is:
Question Image

EASY

Chemistry>Organic Chemistry>Haloalkanes and Haloarenes>Physical Properties of Haloarenes

Consider the reaction

{CH}_{3} {CH}_{2} {CH}_{2} Br + NaCN \to {CH}_{3} {CH}_{2} {CH}_{2} CN + NaBr

This reaction will be the fastest in

EASY

Chemistry>Organic Chemistry>Haloalkanes and Haloarenes>Physical Properties of Haloarenes

A hydrocarbon

C_{5} H_{10}

does not react with chlorine in dark but gives a single monochloro compound

C_{5} H_{9} Cl

in bright sunlight. Identify the hydrocarbon.

HARD

Chemistry>Organic Chemistry>Haloalkanes and Haloarenes>Physical Properties of Haloarenes

Which of the following has the highest dipole moment?

$(i) {CH}_{2} {Cl}_{2} (ii) {CHCl}_{3} (iii) {CCl}_{4}$

EASY

Chemistry>Organic Chemistry>Haloalkanes and Haloarenes>Physical Properties of Haloarenes

Predict all the alkenes that would be formed by dehydrohalogenation of

2, 2, 3

-Trimethyl-

3

-bromopentane with sodium ethoxide in ethanol and identify the major alkene:

HARD

Chemistry>Organic Chemistry>Haloalkanes and Haloarenes>Physical Properties of Haloarenes

p -

Dichlorobenzene has higher melting point and lower solubility than those of

o -

and

m -

isomers. Discuss.

MEDIUM

Chemistry>Organic Chemistry>Haloalkanes and Haloarenes>Physical Properties of Haloarenes

Write the equation for the preparation of

1

-iodobutane from

1

-butanol.

EASY

Chemistry>Organic Chemistry>Haloalkanes and Haloarenes>Physical Properties of Haloarenes

What are ambident nucleophiles? Explain with an example.

HARD

Chemistry>Organic Chemistry>Haloalkanes and Haloarenes>Physical Properties of Haloarenes

Explain why the dipole moment of chlorobenzene is lower than that of cyclohexyl chloride?

EASY

Chemistry>Organic Chemistry>Haloalkanes and Haloarenes>Physical Properties of Haloarenes

Methyl bromide is converted into ethane by heating it in ether medium with:

EASY

Chemistry>Organic Chemistry>Haloalkanes and Haloarenes>Physical Properties of Haloarenes

In the following groups

\begin{array}{l} - O A c \\ I \end{array}

\begin{array}{l} - O M e \\ I I \end{array}

\begin{array}{l} - O S O_{2} M e \\ I I I \end{array}

\begin{array}{l} - O S O_{2} C F_{3} \\ I V \end{array}

The order of leaving group ability is

EASY

Chemistry>Organic Chemistry>Haloalkanes and Haloarenes>Physical Properties of Haloarenes

The major product obtained in the dehydrohalogenation of neopentyl bromide with alcoholic

KOH

EASY

Chemistry>Organic Chemistry>Haloalkanes and Haloarenes>Physical Properties of Haloarenes

Predict all the alkenes that would be formed by dehydrohalogenation of

1

-Bromo-

1

-methylcyclohexane with sodium ethoxide in ethanol and identify the major alkene.

MEDIUM

Chemistry>Organic Chemistry>Haloalkanes and Haloarenes>Physical Properties of Haloarenes

Which compound in each of the following pairs will react faster in

S_{N} 2

reaction with

{OH}^{-}

{CH}_{3} Br or {CH}_{3} I

EASY

Chemistry>Organic Chemistry>Haloalkanes and Haloarenes>Physical Properties of Haloarenes

Among the following which one has weakest carbon-halogen bond?

Explain the solubility of haloarenes.

Important Questions on Haloalkanes and Haloarenes

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