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Amongst TiF(6)^(2-),CoF(6)^(3-),Cu(2)Cl(...

Amongst `TiF_(6)^(2-),CoF_(6)^(3-),Cu_(2)Cl_(2) and NiCl_(4)^(2-)` (Atomic number Ai = 22, Co = 27, Cu = 29, Ni = 28). The colourless species are

A

`CoF_6^(3-) and NiCl_4^(2-)`

B

`TiF_6^(2-) and CoF_6^(3-)`

C

`Cu_2Cl_2 and NiCl_4^(2-)`

D

`TiF_6^(2-) and Cu_2Cl_2`

Text Solution

Verified by Experts

The correct Answer is:
D
`TiF_6^(2-) and Cu_2Cl_2` due to absence of unpaired electrons.
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Among TiF_(6)^(2-), CoF_(6)^(3-), Cu_(2)Cl_(2) and NiCl_(4)^(2-) (At. No. Ti = 22, Co = 27, Cu = 29, Ni = 28) , the colourless species are -

Among [TiF_(6)]^(2-),[COF_(6)]^(3-),CU_(2)Cl_(2) and [NiCl_(4)]^(2-)["Atomic number",Ti=22,Co=27,Cu=29,Ni=28] the Colourless species are:

Among (A) TiF_(6)^(2-),(B) CoF_(6)^(3-), (C ) Cu_(2)CI_(2) and (D) NiCI_(4)^(2) (atomic number of Ti=22,Co=27,Cu=29,Ni=28) the colourless species are (a) (B) and (D) (b) (A) and (B) C and (D) (A) and (C ) .

Among TiF_(6)^(2-), CoF_(6)^(3-), Cu_(2)Cl_(2)" and "NiCl_(4)^(2-) the colourless species are :

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