Question

What is the oxidation half-reaction for Fe(s) + 2HCl(aq) FeCl2(aq) + H2(g)?
A. Fe(s) Fe2+ + 2e–
B. 2H+ + 2e– H2(g)
C. Fe2+ + 2e– Fe(s)
D. H2(g) 2H+ + 2e–

Answer 1

do you know what is oxidation?

Answer 2

No

Answer 3

OIL RIG
Oxidation Is Loss of electrons
Reduction Is Gain of electrons

this i a best way to remember

Answer 4

so the one that is being oxidized- loses electron

Answer 5

what is losing electrons in this reaction?

Answer 6

D?

Answer 7

H2?

Answer 8

H2? loses electron? how?

Answer 9

Wait would it be A?

Answer 10

bingo :)