Which product is generated when cyclohexanone undergoes aldol condensation and is subsequently heated?

1.		2.
3.		4.

Treatment of cyclopentanone with methyl lithium generates:

1. Cyclopentanonyl cation

2. Cyclopentanonyl radical

3. Cyclopentanonyl biradical

4. Cyclopentanonyl anion

1. Maleic acid

2. $\alpha$-amino acid

3. Lactic acid

4. Tartaric acid

An organic compound X having molecular formula C₅H₁₀O yields phenyl hydrazone and gives a negative response to the iodoform test and Tollen's test. It produces n-pentane on reduction. X could be:

The correct order of decreasing acid strength of
trichloroacetic acid (A), trifluoroacetic acid (B), acetic acid (C), and formic acid (D) is:

1. B > A > D > C

2. B > D > C > A

3. A > B > C > D

4. A > C > B >D

The product of the below-mentioned reaction is:

1.		2.
3.		4.