Oxidation States and Chemical Reactivity NEET Questions

Inorganic Chemistry - Classification of Elements and Periodicity in Properties

Oxidation States and Chemical Reactivity MCQ Questions


13.
The oxidation state of oxygen in OF₂ is:
A.
-1
B.
0
C.
+2
D.
-2
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ANSWER :
C. +2
14.
The oxidation state of oxygen in superoxide ion O₂⁻ is:
A.
0
B.
-1/2
C.
-2
D.
-1
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ANSWER :
B. -1/2
15.
The usual oxidation state of hydrogen in compounds is:
A.
+1
B.
0
C.
-1
D.
+2
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ANSWER :
A. +1
16.
The oxidation state of hydrogen in NaH (sodium hydride) is:
A.
+2
B.
-1
C.
+1
D.
0
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ANSWER :
B. -1
17.
The oxidation state of alkali metals (Group 1) in their compounds is:
A.
Always +1
B.
Variable
C.
Always -1
D.
Always +2
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ANSWER :
A. Always +1
18.
The oxidation state of alkaline earth metals (Group 2) in their compounds is:
A.
Variable
B.
Always +2
C.
Always +1
D.
Always -2
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ANSWER :
B. Always +2