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Q.

 LIST-1 LIST-2
A)+ 3 statea)Nitrogen
B)+ 1 stateb)Nitrous oxide
C)0 statec)Nitrate ion
D)+ 5 stated)Hydroxylamine
  e)Nitrite ion

The correct match is

 ABCD
1)adcb
2)ebdc
3)deca
4)ebac

see full answer

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a

2

b

1

c

3

d

4

answer is D.

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Detailed Solution

  • In Nitrite ion NO2-, oxidation state of N is +3. Hence, A matches with e.
  • In nitrous oxide N2O, oxidation state of N is +1. Hence, B matches with b.
  • In elemental state, nitrogen exists in zero oxidation state. Hence, C matches with a.
  • In nitrate ion NO3-, oxidation state of N is +5. Hence, D matches with c.
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