Chemistry, asked by RabbaniRashaMahin, 10 months ago

what will be the oxidation number of the following elements are marked in compounds within first bracket?.
CuSO4(S)
HNO3(N)
MnO2(Mn)
K2Cr2O7(Cr)
Na2S2O3(S)
Cul(Cu)

Answers

Answered by AbdulHafeezAhmed

1

1. +6

2. +5

3. +4

4. +6

5. one sulphur has ox state as -2 and one has +6

6. +1

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