Question

A student was given Mn, Zn, Fe and Cu metals. Identify which of them and why?

(a) Will not displace H2 from dil. HCl. (b) Will react only with steam to give H2 (g). (c) Will give H2 with 5% HNO3.​

Answer 1

Answer:

a-Cu

b-Fe

c-Zn

Explanation:

in electrochemical series Cu is below H others are above it