Chemistry : Alcohols, Phenols and Ethers

Ether and alcohol are ...... isomers.

• chain

• position

• functional

• not isomers

In the following reaction,

$\underset{(\mathrm{in} \mathrm{excess})}{\mathrm{Ethyl} \mathrm{alcohol}} + \underset{(\mathrm{from} {\mathrm{H}}_2{\mathrm{SO}}_4)}{{\mathrm{H}}^{+}} \stackrel{413 \mathrm{K}}{\to } \mathrm{Product}$

the product is

• ethene

• ethyl hydrogen sulphate

• diethyl ether

• acetylene

In Dow's process, the starting raw material is

• phenol

• chlorobenzene

• aniline

• diazobenzene

In the following reaction sequence,

CH₃CHO $\underset{\mathrm{Ca}(\mathrm{OH}{)}_2}{\overset{{\mathrm{Cl}}_2}{\to }}$ X $\underset{\mathrm{Alc}. \mathrm{KOH}}{\overset{{\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{NH}}_2}{\to }}$ Y

Y is

• CH₃CH=NHC₆H₅

• C₆H₅NHCH₃

• C₆H₅NC

• C₆H₅NCO

The raw material for Raschig process is

• chlorobenzene

• phenol

• benzene

• anisole

Phenol gives characteristic colouration with

• iodine solution

• bromine water

• aqueous FeCl₃ solution

• ammonium hydroxide

In the following sequence of reactions

The compound C formed will be

• butanol-1

• butanol-2

• 2-methyl propanol-1

• 1, 1-dimethylethanol

The correct order of dehydration of alcohols is

• 1° > 2° > 3°

• 3° > 2° > 1°

• 2° > 1° > 3°

• 1° > 3° > 2°

Ethanolic KOH gives

• dehalogenation reactions

• dehydrogenation reactions

• dehydrohalogenation reactions

• substitution reactions

Which alcohol will give immediate turbidity on shaking with HCl at room temperature?

• 3-methyl pentan-2-ol

• 2-methyl butan-1-ol

• Butan-3-ol

• 2-methylpropan-2-ol