Which of the following  gives aldol condensation

(1)

(2)

(3)

(4)

 

$<mspace\; width="1em"></mspace>\stackrel{{\mathrm{N}}_2{\mathrm{H}}_4/\mathrm{KOH}}{\to }$; 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.

1. 

2.

3.

4.

Which shows decarboxylation by heating

1.

2.

3.

4.

Consider the following reaction sequence:

R-Cl$\underset{\mathrm{Dry}<mspace\; width="1em"></mspace>\mathrm{Ether}}{\overset{Mg}{\to }}$ A $\underset{\mathrm{ii}·{\mathrm{H}}_3{\mathrm{O}}^{+}}{\overset{\mathrm{i}·{\mathrm{CO}}_2}{\to }}$

Identify R–Cl.

Determine the compound (B) formed as the product of the given reaction.

1.		2.
3.		4.

Consider the following reaction,

$\underset{∆}{\overset{{\mathrm{P}}_2{\mathrm{O}}_5}{\to }}$Product

Product is?

1.		2.
3.		4.

 $<mspace\; width="1em"></mspace>\underset{{\mathrm{H}}_3\mathrm{O}+}{\overset{{\mathrm{CH}}_3\mathrm{MgBr}\left(\mathrm{excess}\right)}{\to }}$Product,

Product is:-

1.

2.

3.

4.