The below structure is an example of :

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

1.
2.
3.
4.	None of these

The major product formed when cyclohexanecarbaldehyde reacts with PhMgBr and H₃O⁺ is:

1.		2.
3.		4.	None of these

What is the major product of the reaction between cyclohexanecarbaldehyde and Tollens' reagent?

1.		2.
3.		4.	None of these

The compounds that undergoes the Cannizzaro reaction are: 

(i) Methanal

(ii) 2-Methylpentanal

(iii) Benzaldehyde

(iv) Benzophenone

1. (i)

2. (ii)

3. (i), (iii) 

4. (i), (ii), (iii) 

Propanal and butanal can produce four different aldol condensation products. The possible structure is/are:

1.
2.
3.	Both (1) and (2)
4.	None of the above

An organic compound with the molecular formula C₉H₁₀O forms a 2,4-DNP derivative, reduces Tollens’ reagent, and undergoes the Cannizzaro reaction. On vigorous oxidation, it gives 1,2-benzenedicarboxylic acid. This organic compound will be:

Organic compound (A), having molecular formula C₈H₁₆O₂, on hydrolysis with dilute H₂SO₄ gives a carboxylic acid (B) and an alcohol (C). Oxidation of alcohol (C) with chromic acid gives the same carboxylic acid (B). On dehydration, alcohol (C)
gives but-1-ene.

Identify compound (B).