d) - 2
c)-1
6.
Q
4. In NaH oxidation number of H is
a) + 1
b)+2
In CCI, the oxidation number of carbon is
d) + 1
a) +4
c) - 1
b)-4
The oxidation number of Ca in all its compounds is
a) + 1
b) +2
d) 0
c) + 3
7. The oxidation number of Mn in KMnO is
a) +3
b) +4
c)0
d)+7
The oxidation number of K in KCl is
a) + 6
b) + 4
c) + 1
d) +7
9. The oxidation number of Cl in Cl, is -1.
(T/F)
10. The oxidation number of Mg in all its compounds is + 3.
(T/F)
II. MCQ with more than one correct answer :
11. Among the following which element exhibits oxidation number as + 2
a) Fe
b) Ba
c) Mg
d) Ca
12. Among the following in which case the atom in its elementary state exhibits zero oxidation
a) O in 02
b)P in P
c) Sins,
13. Identify the elements from the following that exhibit the oxidation number + 1 in their
a) Li
b) Ca
c) K
d) Na
II. Statement type Questions :
a) o
d) Fin F,
4.
Statement (A): Oxidation number have positive, negative and zero values.
Statement (B): The oxidation number of Mg in MgO is +2.
Statement (C): The oxidation number of S atom in elementary form S, is zero.
a) All the above statements are correct
b) All the above statements are
c) A and B are correct but C is incorrect
d) A and B are incorrect but
Answers
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Answer:
are yaar m bhut busy hu
Explanation:
baad m puchna answer
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