Answers Foothill-B Period-Chemistry-2627B Oxidation-ReductionQuestion 1

1

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Oxidation-Reduction

Question 1 • Foothill-B Period-Chemistry-26/27B

What are the oxidation numbers of the atoms in this reaction?Check all that apply.Mg(s) + 2HCl(aq) → MgCl2(aq) + H2(g)

Answer

A

0 for Mg in Mg and MgCl2

B

0 for Mg(s) and H in H2

C

+1 for H in HCl

D

-1 for Cl in HCl

E

+2 for Mg in MgCl2

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