Oxidation Number, Rules for Assigning Oxidation Number NEET Questions

Physical Chemistry - Redox Reactions and Electrochemistry

Oxidation Number, Rules for Assigning Oxidation Number MCQ Questions


13.
In H₂SO₃, oxidation number of sulfur is
A.
4
B.
6
C.
2
D.
0
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ANSWER :
A. 4
14.
Oxidation number of Cu in Cu(NO₃)₂ is
A.
2
B.
1
C.
0
D.
-1
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ANSWER :
A. 2
15.
In PCl₅, oxidation number of phosphorus is
A.
3
B.
5
C.
1
D.
-3
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ANSWER :
B. 5
16.
The oxidation number of H in metal hydrides is
A.
-1
B.
1
C.
0
D.
2
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ANSWER :
A. -1
17.
Oxidation number of oxygen in superoxides is
A.
-0.5
B.
-1
C.
-2
D.
1
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ANSWER :
A. -0.5
18.
The oxidation number of Mn in MnO₂ is
A.
2
B.
4
C.
6
D.
7
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ANSWER :
B. 4