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JIPMER 2019 Morning Papers Online Practice
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© examsnet.com
Question : 7
Total: 128
What is the oxidation number of Cr in
N
a
2
C
r
2
O
7
:
2
6
10
16
Validate
Solution:
(2)
N
a
2
C
r
2
O
7
2(+1) + 2x + 7 (–2) = 0 = x = +6
© examsnet.com
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