Oxidation States and Chemical Reactivity NEET Questions

Inorganic Chemistry - Classification of Elements and Periodicity in Properties

Oxidation States and Chemical Reactivity MCQ Questions


13.
Nitrogen in lowest oxidation state?

NEET - 2017

A.
NH₄⁺
B.
N₂
C.
NO
D.
N₂O
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ANSWER :
A. NH₄⁺
14.
Oxidation number of phosphorus in H₃PO₄?
A.
3
B.
5
C.
4
D.
–3
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ANSWER :
B. 5
15.
Oxidation state of oxygen in H₂O₂?
A.
–1
B.
–2
C.
0
D.
1
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ANSWER :
A. –1
16.
Oxidation state of S in Na₂SO₃?
A.
4
B.
6
C.
2
D.
5
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ANSWER :
A. 4
17.
Nitrogen in HNO₂?
A.
1
B.
3
C.
5
D.
7
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ANSWER :
B. 3
18.
Cl in HClO₃?
A.
1
B.
3
C.
5
D.
7
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ANSWER :
C. 5