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The atomic number of cobalt is 27 .Th...

The atomic number of cobalt is 27 .The EAN of cobalt in `Na_(3)[Co(NO_(2)_(4)Cl_(2)]` is

A

24

B

36

C

34

D

35

Text Solution

Verified by Experts

The correct Answer is:
B
EAN of CO in `Na_(3) [Co(NO_(2))_(4) Cl_(2)]`
= atomic number of Co- oxidation state of Co + 2 `xx` number of electron taken form `NO_(2) ` and Cl
` = 27-3+2xx(4+2)=36`
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