Question

In this set of chemical reactions, which is a single replacement reaction?A) K2SO4 (aq) + BaCl2 (aq) ---> BaSO4 (s) + 2KCI (aq)B) Pb(NO3)2 (aq) + 2NaCl (aq) ---> PbCl2 (s) + 2NaNO3(aq)C) Zn (s) + H2SO4 (aq) ----> ZnSO4 (aq) + H2 (g)D) CuSO4 (aq)+ BaCl2 (aq) ----> BaSO4 (s) + CuCl2 (aq)

Answer 1

Step-by-step explanation:

A single replacement reaction is defined as a chemical reaction where one element replaces another element in one compound. The shape of this kind of reaction is:

A + BC ----> AB + C

If we consider our options, they are all double replacement reaction except from:

Zn (s) + H₂SO₄ (aq) ----> ZnSO₄ (aq) + H₂ (g)

Where zinc is replacing hydrogen in sulfuric acid.

Answer: C) Zn (s) + H₂SO₄ (aq) ----> ZnSO₄ (aq) + H₂ (g)