Question

Name the following:

(b) A metal which does not react with dilute acids.

Answer 1

The metal which does not react with dilute acids:

• Most of the metals react with dilute acid-forming their respective salt along with hydrogen gas.
• But Copper($\mathrm{Cu}$), silver($\mathrm{Ag}$), and mercury($\mathrm{Hg}$) does not react with dilute acid.
• They cannot displace hydrogen from the non-metal anion.
• The more reactive metals displace less reactive metals.

Therefore, copper$\left(\mathrm{Cu}\right)$ does not react with dilute acids.