Question

(a) A student was given Mn, Zn, Fe and Cu metals. Identify which of them
(i) will not displace H, from dil. HCI.
(ii) will react only with steam to give H,).
(iii) will give H, with 5% HNO3.
Write the chemical reactions involved.
(b) (i) Show the formation of Na, by the transfer of electrons between the combining atoms
(ii) Why are ionic compounds usually hard?​

Answer 1

Answer:

Explanation:

1. Except Cu rest displaces

2. Ionic compounds are hard as there is strong molecular force between them