1.

A pale green crystalline inorganic salt (A) dissolves freely in water. It gives a brown precipitate on addition of aqueous NaOH. The solution of (A) also gives a black precipitate on bubbling H_(2)S in alkaline medium. An aqueous solution of (A) decolourises the pink colour of the permanganate solution. The metal in the salt solution is :

Answer»

Copper
Aluminium
Lead
Iron

Answer :D


Discussion

No Comment Found