The product formed by the reaction of an aldehyde with a primary amine is:
1. Ketone
2. Carboxylic acid
3. Aromatic acid
4. Schiff base

The esters that get hydrolyzed most easily under alkaline conditions is?

1.
2.
3.
4.

Compounds that can exhibit tautomerism, are:

1. l and ll
2. l and lll
3. ll and lll
4. l, ll and lll

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 compound among the following that will not be soluble in
sodium hydrogen carbonate is:

What is the order of the stability of the following tautomeric compounds?

1. III > II > I
2. II > I > III
3. II > III > I
4. I > II > III

Benzaldehyde cannot be prepared by:

1.
2.
3.
4.

Predict the products in the given reaction, 

1.		2.
3.		4.