The correct IUPAC name of the following compound is :

The major product of the following chemical reaction is :

   \( \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CN} \xrightarrow[\text { (3) } \mathrm{Pd} / \mathrm{BaSO}_4, \mathrm{H}_2]{\text { (1) } \mathrm{H}_3 \mathrm{O}^{+},\Delta ~~(2) \mathrm{SOCl}_2} ?\)$$

Consider the following chemical reaction,

 $\mathrm{CH}\equiv \mathrm{CH}\underset{\left(2\right)<mspace\; width="1em"></mspace>\mathrm{CO},<mspace\; width="1em"></mspace>\mathrm{HCl},<mspace\; width="1em"></mspace>{\mathrm{AlCl}}_3}{\overset{(1)\mathrm{RedhotFetube},\hspace{0.17em}873\mathrm{K}}{\to }}<mspace\; width="1em"></mspace>\mathrm{Product}$

The number of sp² hybridized carbon atom(s) present in the product is:

1. 6

2. 7

3. 8

4. 5

The correct order of acid character of the following compounds is: 

(I)	(II)	(III)	(IV)

$\underset{\left({\mathrm{C}}_4{\mathrm{H}}_8{\mathrm{Cl}}_2\right)}{\mathrm{A}}<mspace\; width="1em"></mspace>\underset{373<mspace\; width="1em"></mspace>\mathrm{K}}{\overset{\mathrm{Hydrolysis}}{\to }}<mspace\; width="1em"></mspace>\underset{\left({\mathrm{C}}_4{\mathrm{H}}_8\mathrm{O}\right)}{\mathrm{B}}$

B reacts with hydroxylamine but does not give Tollen's test. A and B are respectively:

1. 1,1-Dichlorobutane and 2-Butanone

2. 2,2-Dichlorobutane and Butanal

3. 1,1-Dichlorobutane and Butanal

4. 2,2-Dichlorobutane and 2-butanone

2,4-DNP test can be used to identify:

1. Amine

2. Aldehyde

3. Ether

4. Halogens

Identify A in the following chemical reaction 

1. 

2.

3. 

4. 

Two compounds A and B with the same molecular formula (C₃H₆O) undergo Grignard's reaction with methylmagnesium bromide to give products C and D. Products C and D show the following chemical tests.

C and D respectively are:

1.
2.
3.
4.