The major product of the following chemical reaction is :

Which one of the following carbonyl compounds cannot be prepared by addition of water on an alkyne in the presence of HgSO₄ and H₂SO₄?

Which of the following reagent is suitable for the preparation of the product in the above reaction?

Match List - I and List - II.

	List-I		List-II
(a)		(i)	$$\mathrm{Br}_{2} / \mathrm{NaOH}$$
(b)		(ii)	$$\mathrm{H}_{2} / \mathrm{Pd}-\mathrm{BaSO}_{4}$$
(c)		(iii)	$$\mathrm{Zn}(\mathrm{Hg}) / \mathrm{H}$$ Conc. $$\mathrm{HCl}$$
(d)		(iv)	$$\mathrm{Cl}_{2}$$ Red $$\mathrm{P}, \mathrm{H}_{2} \mathrm{O}$$

Choose the correct answer from the options given below :