A solution X, on mixing with AgNO\(_3\) solution gives a white precipitate soluble in aqueous NH\(_3\), a solution Y, when also added to X, also gives a white precipitate which is soluble when heated solutions X and Y respectively contain

A.

Al\(^{3+}\), Cl\(^-\)

B.

Hg\(^+\), SO\(_4 ^{2-}\)

C.

Pb\(^{2+}\), Cl\(^-\)

D.

Ag\(^+\), SO\(_4 ^{2-}\)

Correct answer is C

No explanation has been provided for this answer.