$\underset{{\mathrm{H}}_3{\mathrm{O}}^{\odot }}{\overset{{\mathrm{CH}}_3\mathrm{MgBr}\left(\mathrm{excess}\right)}{\to }}$(X)

What is X?

 $\underset{\left(2\right) {\mathrm{Br}}_2/\mathrm{KOD}}{\overset{\left(1\right) {\mathrm{NH}}_3,∆}{\to }}$A(Major)

The product 'A' is 

$\underset{{\mathrm{OH}}^{-}}{\overset{\mathrm{dilute}}{\to }}$ ?

The major product formed would be:

1.
2.
3.
4.

What results from a reaction between concentrated H₂SO₄ and acetone?

1. Phorone

2. Mesitylene

3. Mesityl oxide

4. Crotonaldehyde

The correct statement among the following about HCOOH is:

1. It is a stronger acid than CH₃COOH

2. It reduces Tollen’s reagent

3. It gives CO and H₂O on heating with conc.H₂SO₄

4. All of the above

Among the following acids, which one has the smallest dissociation constant?

1.		2.
3.		4.

In the reaction
CH3 – CH = CH – CHO$\underset{\mathrm{agent}}{\overset{\mathrm{oxidizing}}{\to }}$ ${\mathrm{CH}}_3-\mathrm{CH}=\mathrm{CH}-\mathrm{COOH}$ 

the oxidizing agent can be

1. alkaline KMnO₄

2. acidified K₂Cr₂O₇

3. benedict’s solution

4. All of the above

Identify ‘Y’ in

$\underset{\mathrm{oxidation}}{\overset{\mathrm{vigorous} }{\to }}\mathrm{X}\underset{\mathrm{heating}}{\overset{\mathrm{Dry}}{\to }}\mathrm{Y}$

An organic compound (A) (MF C₄H₁₀O) upon
dehydrogenation gives a compound (B) which forms
phenyl hydrazone with phenylhydrazine and both the
compounds (A) and (B) respond to iodoform test.
Hence, the compound (A) is

The appropriate reagent for the transformation is

1. Zn (Hg)/HCl

2. NH₂–NH₂/OH^–

3. Both 1. and 2.

4. None of the above