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16 April, 10:43

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

+3
Answers (1)
  1. 16 April, 11:05
    0
    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
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