What are the oxidation numbers of the atoms in this reaction?

Check all that apply.

Mg (s) + 2HCl (aq) → MgCl2 (aq) + H2 (g)

0 for Mg in Mg and MgCl2

0 for Mg (s) and H in H2

+1 for H in HCl

-1 for Cl in HCl

+2 for Mg in MgCl2

Question

16 April, 10:43

+3

Answers (1)

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Paul · Answer 1

all these are correct:

0 for Mg (s) and H in H2

+1 for H in HCl

-1 for Cl in HCl

+2 for Mg in MgCl2

only the first statement is wrong

What are the oxidation numbers of the atoms in this reaction?Check all that apply.Mg (s) + 2HCl (aq) → MgCl2 (aq) + H2 (g)0 for Mg in Mg and MgCl20 for Mg (s) and H in H2+1 for H in HCl-1 for Cl in HCl+2 for Mg in MgCl2