Question

Write the word equations for the following chemical reactions.
a) Potassium reacts with water and forms potassium oxide and hydrogen gas.
b) Iron reacts with copper sulphate solution and displaces copper from its salt and forms iron sulphate and copper.

Answer 1

Answer:

(a) Chemical equation: 2K(s)+2H2O(l)→2KOH(aq)+H2(g)

(b) Fe (s) + Cu2 + (aq) —→ Fe2+ (aq) + Cu (s).