Question

47. Classify the following as combination, decomposition reactions:
a) 2KNO3(s) → 2KNO,($)+O2(g)
b) 2Cu0(s) → 2Cu(s)+O2(g)
c) C12(g) + 2NaBr(aq) + 2NaCl(aq) + Brz (aq)​

Answer 1

Answer:

a) Decomposition reaction

b) Decomposition reaction

c) Displacement reaction

Answer 2

Answer:

1. decomposition

2. decomposition

3. It is neither combination nor decomposition.It is a displacement reaction.