Which of the following has the highest pKa value?

3-Chlorophenyl magnesium bromide on reaction with dry ice followed by acidification in mineral acid gives _____

Benzoic acid is almost insoluble in which of the following solvents?

Which of the following is the strongest acid?

What is the common name of butanal?

Which of the following is used as a flavouring agent?

The final product(s) of basic hydrolysis followed by acidification of ethyl butanoate is ___

The carboxyl carbon is more electrophilic than the carbonyl carbon.