The structure of Hex-2-en-4-ynoic acid is:

1.
2.
3.
4.	None of these

Identify X in the following reaction:

X + CH₃COOH → Ester + H₂O

Select the correct option based on the statements below:

The reaction that does not give benzoic acid as the major product is:

1.	\(\xrightarrow{K_2Cr_2O_7}\)	2.	\(\xrightarrow[(ii)H_3O^+]{(i)NaOCl}\)
3.	\(\xrightarrow{PCC}\)	4.	\(\xrightarrow{KMnO_4/H^+}\)

The product of the below-mentioned reaction is:

1.		2.
3.		4.

In the below reaction, product 'P' is:

1.		2.
3.		4.

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

An acid that forms an anhydride (X) on heating and an acid imide (Y) on strong heating with ammonia is:

1.		2.
3.		4.