The decreasing order of boiling points of $1°$,$2°$,$3°$ alcohol is:

1. $1°$>$2°$>$3°$                             

2. $3°$>$2°$>$1°$

3. $2°$>$1°$>$3°$                             

4. none of these

An organic compound C₇H₈O is neither soluble in NaOH nor gives blue color with FeCl₃, is:

1. C₆H₅.CH₂OH                 

2. ${\mathrm{C}}_6{\mathrm{H}}_4{<}_{\mathrm{OH}}^{{\mathrm{CH}}_3}$

3. C₆H₅.OCH₃                   

4. None of these

Which one of the following on oxidation gives a ketone?                   

1. Primary alcohol                      2. Secondary alcohol

3. Tertiary alcohol                      4. All of these

In the following sequence the product (C) is: 

CH₃CHO$\underset{\mathrm{Pd}}{\overset{{\mathrm{H}}_2}{\to }}$ (A) $\stackrel{\mathrm{Na}}{\to }$(B) $\stackrel{{\mathrm{CH}}_3\mathrm{I}}{\to }$(C)

1. alcohol                                 2. ether

3. alkene                                  4. none of these

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 -