323500 Which of the following compounds will give a coloured crystalline compound with

323501 Statement A :
Sodium hydrogensulphite adds to aldehyde and ketones is the useful method for separation and the purification of aldehydes.
Statement B :
The hydrogensulphite addition compound is water soluble and can be converted back to the original carbonyl compound by treating it with dilute mineral acid or alkali.

323502 Observe the following compounds
The correct reactivity order of below compounds towards nucleophilic addition reaction is

323503 Consider the reaction:
\(\mathrm{RCHO}+\mathrm{H}_{2} \mathrm{NNH}_{2} \longrightarrow \mathrm{RCH}=\mathrm{NNH}_{2}\)
What sort of reaction is it?

323500 Which of the following compounds will give a coloured crystalline compound with

323501 Statement A :
Sodium hydrogensulphite adds to aldehyde and ketones is the useful method for separation and the purification of aldehydes.
Statement B :
The hydrogensulphite addition compound is water soluble and can be converted back to the original carbonyl compound by treating it with dilute mineral acid or alkali.

323502 Observe the following compounds
The correct reactivity order of below compounds towards nucleophilic addition reaction is

323503 Consider the reaction:
\(\mathrm{RCHO}+\mathrm{H}_{2} \mathrm{NNH}_{2} \longrightarrow \mathrm{RCH}=\mathrm{NNH}_{2}\)
What sort of reaction is it?

323500 Which of the following compounds will give a coloured crystalline compound with

323501 Statement A :
Sodium hydrogensulphite adds to aldehyde and ketones is the useful method for separation and the purification of aldehydes.
Statement B :
The hydrogensulphite addition compound is water soluble and can be converted back to the original carbonyl compound by treating it with dilute mineral acid or alkali.

323502 Observe the following compounds
The correct reactivity order of below compounds towards nucleophilic addition reaction is

323503 Consider the reaction:
\(\mathrm{RCHO}+\mathrm{H}_{2} \mathrm{NNH}_{2} \longrightarrow \mathrm{RCH}=\mathrm{NNH}_{2}\)
What sort of reaction is it?

323500 Which of the following compounds will give a coloured crystalline compound with

323501 Statement A :
Sodium hydrogensulphite adds to aldehyde and ketones is the useful method for separation and the purification of aldehydes.
Statement B :
The hydrogensulphite addition compound is water soluble and can be converted back to the original carbonyl compound by treating it with dilute mineral acid or alkali.

323502 Observe the following compounds
The correct reactivity order of below compounds towards nucleophilic addition reaction is

323503 Consider the reaction:
\(\mathrm{RCHO}+\mathrm{H}_{2} \mathrm{NNH}_{2} \longrightarrow \mathrm{RCH}=\mathrm{NNH}_{2}\)
What sort of reaction is it?