Calculate the EAN of central metal atom/ ion
1) K4[Fe(CN)6] 2) [CO(en)2(NH3)2]3+
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Answer:
The E.A.N. of central metal atom in [Co(NH
3
)
6
]Cl
3
is [At. No. of Co = 27]
A
34
B
35
C
36
D
32
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Correct option is
C
36
The E.A.N. of central metal atom in [Co(NH
3
)
6
]Cl
3
is 36.
E.A.N=27−3+12=36
The atomic number of Co is 27.
The oxidation state of Co in the complex is +3.
The number of electrons lost by Co to form Co(III) ion is 3.
6 ammonia ligands donate 6 electron pairs or 12 electrons to Co.
Option C is correct.
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