Question

1.
Write the balanced chemical equations for the following reactions:
(a) sodium reacts with oxygen
(b) aluminium reacts with dilute hydrochloric acid​

Answer 1

Answer:

(a) 4NA + O2 ---->2NA2O

(b) 2Al + 6HCl(Dil.) -----> 2AlCl3(aq.) + 3H2(g)

Answer 2

Answer:

Explanation:

(a) Sodium reacts with oxygen:

4Na  + O2 ⇒ 2Na2O

(b) Aluminium reacts with dilute hydrochloric acid:

2Al + 6HCl ⇒ 2AlCl3 + 3H20