Question

When ${{H}_{2}}S$ gas is passed in a metal sulphate solution in presence of $N{{H}_{4}}OH$ , a white precipitate is produced. The metal is identified as:

• A. Zn
• B. Fe
• C. Pb
• D. Hg

Answer 1

Answer: (A)

Zn

Answer 2

Zinc is that metal, which gives white precipitate when ${{H}_{2}}S$ gas is passed in the ammoniacal solution of its salt.