Question

What type of reaction does the following equation represent?

FeS+2HCl→FeCl2+H2S
A. synthesis reaction
B. double-displacement reaction
C. single-displacement reaction
D. decomposition reaction

Answer 1

Double-displacement because two elements are getting exchanged by the compounds. It is also a precipitation reaction because there seems to be an insoluble aqueous product.

Answer 2

B. double-replacement RXN

Step-by-step explanation:

more specifically, this is a precipitation rxn.