The given two compounds can be distinguished by: 

and

a. I₂+NaOH

b. NaSO₃H

c. NaCN/HCl

d. 2,4-DNP

1. a, b, d

2. a, b

3. a, c, d

4. a, d

Fehling solution gives red precipitated with

(a) Aromatic aldehyde

(b) Aliphatic aldehyde

(c) Ketone

(d) terminal $\mathrm{\alpha }$-Hydroxy ketone

_{1. b,d}

_{2. a,b}

_{3. a,d}

_{4. b,c}

Which of the following  gives aldol condensation

(1)

(2)

(3)

(4)

$\stackrel{{\mathrm{N}}_2{\mathrm{H}}_4/\mathrm{KOH}}{\to }$; Reaction is known as

1. Clemmensen's reduction

2. Birch Reduction

3. Rosenmunds Reduction

4. Wolff-kishner Reduction

$\stackrel{{\mathrm{LiAlH}}_4}{\to }$Major product is:-

1.

2.

3.

4.

A+Butanone 

Then A is-

1. 

2.

3.

4.

Which shows decarboxylation by heating

1.

2.

3.

4.

R-Cl$\underset{\mathrm{Dry} \mathrm{Ether}}{\overset{Mg}{\to }}$ A $\underset{\mathrm{ii}·{\mathrm{H}}_3{\mathrm{O}}^{+}}{\overset{\mathrm{i}·{\mathrm{CO}}_2}{\to }}$

R-Cl is

(1)

(2)

(3)

(4)

$\stackrel{\mathrm{HCN}}{\to }$A $\underset{\left(excess\right)}{\overset{KCN}{\to }}$B;B is

(1)

(2)

(3)

(4)

$\stackrel{{\mathrm{Hg}}^{2+}/{\mathrm{H}}_2{\mathrm{SO}}_4}{\to }$Product;

1.

2.

3.

4.