What is the correct order of acidity of the following?

Which of the following compound does not undergo aldol condensation?

What is the IUPAC name of the following compound?

Benzoic acid can be prepared by oxidation of tert-Butyl benzene.

Which of the following reagents does not reduce the CO group of carboxylic acids to CH2 groups to form alcohols?

Identify the catalyst in the nucleophilic addition of HCN to acetone.

What is the correct order of reactivity of the following towards nucleophilic addition?

Acidic hydrolysis of ethyl benzoate directly gives benzoic acid.