Question # 1

The reactivity order of alkyl halides for a particular alkyl group is:

Choose an answer

F >Cl>Br>I

Cl>Br>F>l

l>Br>Cl>F

Br>l>Cl>F

Electronegativity order of alkyl halides is:

Choose an answer

Rl > RBr > RCl > RF

Rbr > RCl > RF >Rl

RCl > RF >Rl > RBr

RF >Ri > RBr >RII

Unpleasant smell of carbylamine is obtained when chloroform and alcoholic KOH are heated with

Choose an answer

Any aromatic amine

Any primary amine

Any amine

Any aliphatic amine

SN₂reaction has order of reaction :

Choose an answer

First

Second

Third

Zero

CFCs undergo homolytic fission by uv light in the stratosphere which radical could result from this irradiations of CHCICF₂Cl.

Choose an answer

CHF Cl C FCl

CH Cl CF₂Cl

CHF CF₂Cl

C FCl CF₂Cl

The most reactive compound for electrophilic nitration will be

Choose an answer

Benzyl chloride

Benzoic acid

Nitrobenzene

Chlorobenzene

The order of reactivity of an alkyl halide (R-X) for a particular alkyl group is

Choose an answer

Iodide > bromide > chloride

Chloride > bromide > iodide

Bromide > chloride > iodide

Bromide > iodide > chloride

Ethyl alcohol gives ethyl chloride with the help of

Choose an answer

SOCl₂

NaCl

Cl₂

KCl

C- X bond is strong in

Choose an answer

CH₃Cl

CH₃Br

CH₃F

CH₃I

General formula of alkyl halide is:

Choose an answer

R----X

R----OH

R------COH

R------COOH

Grignard reagent is prepared by the reaction of magnesium metal with alkyl halide in the presence of

Choose an answer

Alcohol

Water

Suephuric acid

Dry ether

Which of the following with aqueous KOH will give acetaldehyde?

Choose an answer

1, 2-Dichloroethane

1,1-Dichloroethane

Chloracetic acid

Ethyl chloride

Alkyl halides are considered to be very reactive compounds towards nucleophiles, because:

Choose an answer

They have an electrophilic carbon

They have an electrophilic carbon and good living gorup

They have an electrophilic carbon and bad living group

They have an nucleophilic carbon and good living gorup

Hydrolysis of Grignard's reagent gives:

Choose an answer

Alkane

Alkyl

Halide

Alcohol

Benzene hexachloride is used as

Choose an answer

Dye

Antimaterial drug

Antibiotic

Insecticide

Reaction of ethylamine with chloroform in alcoholic KOH produces

Choose an answer

CH₃OH

CH₃NC

C₂H₅NC

C₂H₅CN

More Classes

Other Links

ECAT Chemistry Chapter 21 Alkyl Halides Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer