36. Among the following complex ions, the species whose cente
metal atom does not have 'd' electron is
(a) IMO
(b) (CO(NH3)612
(c) [Fe(CN)6]
(d) (Cr(H2O)61
3+
(I.T.T. Screening, 2000
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1
Answer:
Explanation:MnO
4
−
, has Mn
+7
,d
0
configuration so no d electron.
Co
+3
,d
6
configuration.
Fe
+2
,d
6
configuration.
Cr
+3
,d
3
configuration.
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