For each of the following unbalanced half-reactions, determine whether an oxidation or reduction is occurring: 1)...

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Question

For each of the following unbalanced half-reactions, determine whether an oxidation or reduction is occurring:

1) Mn2+ ⟶ MnO2

2) NO3 − ⟶ NO

the answer for 1 is

b) Mn2+→MnO2 The balanced half reaction is as follows: The oxidation number of Mn in MnO2 is +4 which so the oxidation number is changed from +2 to +4 which mean Mn is oxidized.

and for b is

so I want to know for b how the oxidation state on Mn was +4?

and for d how you the oxidation state on N was +5 and then +2?

please I need the answeras soon as possible

science chemistry

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Answer 1

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nor atuan 2) 31イ x3C2)-)

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