The formula of phenoxy benzene is :

1. C₆H₅C₆H₅                             2. C₆H₅-O-C₆H₅

3. C₆H₅-O-C₆H₆                         4. none of these

Ether and benzene can be separated by:-

(1) Filtration

(2) Distillation

(3) Crystallization

(4) Sublimation

Primary alcohols can be obtained from the reaction of the RMgX with:

1. HCHO                       2. H₂O

3. CO₂                          4. CH₃CHO

Consider the following reaction, 

Ethanol $\stackrel{{\mathrm{PBr}}_3}{\to }$X$\stackrel{\mathrm{Alc}.\mathrm{KOH}}{\to }$Y$\underset{\left(\mathrm{ii}\right){\mathrm{H}}_2\mathrm{O}, \mathrm{heat}}{\overset{\left(\mathrm{i}\right) {\mathrm{H}}_2{\mathrm{SO}}_4, \mathrm{room} \mathrm{temperature}}{\to }}$Z

The product Z is

1. CH₂=CH₂

2. CH₃CH₂OCH₂CH₃

3. CH₃CH₂OSO₃H

4. CH₃CH₂OH

Glycol condenses with ketones to give:

1. cyclic acetals                   2. cyclic ketals

3. acetaldehyde                   4. oxalic acid

 CH₃-CH₂-CH₂OH$\underset{160-180°\mathrm{C}}{\overset{\mathrm{conc}. {\mathrm{H}}_2{\mathrm{SO}}_4}{\to }}$X$\stackrel{{\mathrm{Br}}_2}{\to }$Y$\underset{2. {\mathrm{NaNH}}_2}{\overset{1. \mathrm{Alc}. \mathrm{KOH}}{\to }}$Z

 'Z'  in the above series is -

Ethyl propanoate on reduction with LiAlH₄ yields:

1. methanol

2. ethanol and propanol

3. propane

4. mixture of ethanol and methanol

Phenol does not react with: 

(a) Na₂CO₃                                 (b) NaOH

(c) NaHCO₃                                 (d) KOH

Which alcohol is most acidic?

1. Methanol                               

2. Ethanol

3. Isopropyl alcohol                     

4. t-butyl alcohol

An alcohol on oxidation is found to give CH₃COOH and CH₃CH₂COOH. The alcohol is:

1. CH₃CH₂CH₂OH

2. (CH₃)₂C(OH)CH₂CH₃

3. CH₃(CH₂)₂CHOH

4. CH₃CH(OH)CH₂CH₂CH₃