Ethyl chloride is converted into diethyl ether by -

1.	Wurtz reaction	2.	Grignard reaction
3.	Perkin's reaction	4.	Williamson's synthesis

$\underset{\left(Predominant\right)}{\left(\mathrm{B}\right)}\stackrel{PB{r}_{\mathit{3}}}{\leftarrow }$$\stackrel{\mathrm{HBr}}{\to }\underset{\left(Predominant\right)}{\left(A\right)}$

(A) and (B) are respectively :

$\stackrel{\mathrm{Lucas} \mathrm{Reagent}}{\to }A\left(\mathrm{Major}\right)$

The compound ‘A’ is

$\underset{\mathrm{heat}}{\overset{{\mathrm{H}}_2{\mathrm{SO}}_4}{\to }}\underset{major}{P}\stackrel{NBS}{\to }\underset{major}{Q}$

The structure of Q is?

R–CH₂–CH₂–OH can be converted into
R–CH₂–CH₂–COOH. The correct sequence of
reagents is

1. PBr₃, KCN, H₃O⁺

2. PBr₃, KCN, H₂

3. KCN, H₃O⁺

4. HCN, PBr₃, H₃O⁺

$\stackrel{{\mathrm{H}}^{+}/∆}{\to }A\left(major\right)$

The product ‘A’ is

Identify (X) in the sequence :

$\underset{\left(\mathrm{X}\right)}{{\mathrm{C}}_3{\mathrm{H}}_8\mathrm{O}}\underset{H_{2}S{O}_4}{\overset{K_{2}C{r}_2{O}_7}{\to }}{C}_3{H}_{6}O\underset{warm}{\overset{I_2+NaOH}{\to }}CH{I}_3$

1. ${\mathrm{CH}}_3-{\mathrm{CH}}_2-{\mathrm{CH}}_2\mathrm{OH}$

2. ${\mathrm{CH}}_3-\underset{\mathrm{OH}}{\underset{|}{\mathrm{CH}}}-{\mathrm{CH}}_3$

3. ${\mathrm{CH}}_3-\mathrm{O}-{\mathrm{CH}}_2-{\mathrm{CH}}_3$

4. ${\mathrm{CH}}_3-{\mathrm{CH}}_2-\mathrm{CHO}$

1-propanol and 2-propanol can be best distinguished
by:

1. Oxidation with alkaline KMnO₄ followed by
reaction with Fehling solution.

2. Oxidation with acidic dichromate followed by
reaction with Fehling solution

3. Oxidation by heating with copper followed by
reaction with Fehling solution.

4. Oxidation with conc. H₂SO₄
followed by reaction with Fehling solution

Which among the following compounds is most acidic
in character :

1. HOH

2. CH₃OH

3. CH₃CH₂OH

4. ${\mathrm{CH}}_2-\underset{{\mathrm{CH}}_3}{\overset{\mathrm{OH}}{\underset{\left|}{\overset{\right|}{\mathrm{C}}}}}-{\mathrm{CH}}_3$

Which is more acidic?

1. o-Cresol

2. p-Nitrophenol

3. Phenol

4. m-Cresol