Class 11

9. Redox reactions question bank (Chemistry)

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Q1.

In [Ni(CO)₄], the oxidation state of Ni is:

(A)
4
(B)
0
(C)
2
(D)
8
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Q2.

The oxidation number of nitrogen in NH₂OH is:

(A)
0
(B)
+1
(C)
−1
(D)
−2
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