Question

What oxidation half-reaction happens when iron reacts with hydrochloric acid?

A. 2H+(aq) + 2e− H2(g)
B. Fe(s) Fe2+(aq) + 2e−
C. 2Cl–(aq) Cl2(g) + 2e−
D. Fe2+(aq) + 2e− Fe(s)

Answer 1

A. 2H+(aq) + 2e− ---> H2(g)
B. Fe(s) ---> Fe2+(aq) + 2e−
C. 2Cl–(aq) ---> Cl2(g) + 2e−
D. Fe2+(aq) + 2e− ---> Fe(s)

Answer 2

@aaronq Can you please help me?


@nechirwan

Answer 3

B. Fe(s) Fe2+(aq) + 2e−

Answer 4

@nechirwan are you sure that's the anwser?

Answer 5

ya

Answer 6

thank you @nechirwan