Question

Fe₂S₃(s)+6HCl(g)--->2 FeCl₃(s)+3 H₂S(g)
What is this type of reaction?

Answer 1

The chemical reaction specified is a double displacement (metathesis) reaction, and it is also classified as a redox reaction due to changes in oxidation states.

Step-by-step explanation:

The reaction described in the question is Fe₂S₃(s) + 6HCl(g) → 2 FeCl₃(s) + 3 H₂S(g). This is a type of chemical reaction known as a double displacement or metathesis reaction. In this reaction, there is an exchange of ions between two compounds resulting in the formation of two new compounds. Additionally, this particular reaction also falls under the category of a redox reaction because there is a transfer of electrons from one species to another, leading to changes in the oxidation states of iron (from Fe2+ to Fe3+) and hydrogen (from H+ to H2).

Answer 2

This reaction is a double replacement reaction.

Why?

Double replacement is

ab+cd -------> ad +bc

They switch "partners"

in this case

Fe₂S₃(s)+6HCl(g)--->2 FeCl₃(s)+3 H₂S(g)

a. b. +. c d. ------> a. d. + b c

reactant

a = Fe. b = S

c = H. D = Cl

product

a = Fe. D = Cl

B= S C= H.

so we switch partners,

when you switch, their coefficients and subscript are based on oxidation numbers!