Chemical Properties of Aldehydes and Ketones

Acetaldehyde is heated with Fehling’s solution, it gives a precipitate of _____. (cuprous oxide/cupric oxide/copper)

When acetaldehyde is heated with Fehling’s solution, it gives a precipitate of:

Tollen’s reagent form a silver mirror when reacted with:

The reaction of acetaldehyde with Tollens’ reagent gives:

Aldehydes yield primary alcohol on reaction with lithium aluminium hydride.

On reduction with ${\mathrm{LiAlH}}_4$ with a ketone gives:

During reduction of aldehydes with hydrazine and ${\mathrm{C}}_2{\mathrm{H}}_5\mathrm{ONa}$, the product formed is:

Reducing agent used for reduction of aldehydes and ketone is:

Aldehydes and ketones form only addition compounds with:

Aldehydes are more reactive than ketones.

What are electrophiles? Explain with examples.

Which of the following is a nucleophilic addition reaction:

Which of the following properties of the carbonyl group allows aldehydes and ketones to undergo nucleophilic addition reactions?

When ethanal is heated with Fehling's solution, then the precipitate obtained is of: 

Aldehydes and ketones do not react with :