Aldehydes Keton...

The IUPAC name of above compound is:

Which of the following form stable product with $$H_2O$$

Which has most acidic proton from the following?

Which of the following is correct option of reagent for the given conversion? 

The compound $$'A'$$ is

The IUPAC name of given compound is:

Which carbonyl group of the given compound is most reactive for hydration:

Consider the acidity of the carboxylic acids.
(i)  $$PhCOOH$$
(ii) o- $$NO_{2}C_{6}H_{4}COOH$$
(iii) p - $$NO_{2}C_{6}H_{4}COOH$$
(iv) m - $$NO_{2}C_{6}H_{4}COOH$$
which of the following order is correct ?

Arrange the following carbonyl compounds in decreasing order of reactivity towards nucleophilic addition:

Identify number of reagent that can be used for above conversion.