Amongst Ti{F_6}^{2 - },,,Co{F_6}^{3 - } | vedclass

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Question

The colourless species are $TiF _6^{2-}$ and $Cu _2 Cl _2$$Cu _2 cl _2$ is $2( CuCl )$ and hence is diamagnetic. So it is colourless.$Ti$ in $TiF _6^{

Vedclass · Accepted Answer

$Ti{F_6}^{2 - }$ and $C{u_2}C{l_2}$

Vedclass · Answer

The colourless species are $TiF _6^{2-}$ and $Cu _2 Cl _2$$Cu _2 cl _2$ is $2( CuCl )$ and hence is diamagnetic. So it is colourless.$Ti$ in $TiF _6^{2-}$ has no $d$ electrons,so no colour as no $d - d$ transition takes place.

Example	Magnetic Moment $(BM)$
$K _{4}\left[ Mn ( CN )_{6}\right.$	$2.2$
$\left[ Fe \left( H _{2} O \right)_{6}\right]^{2+}$	$5.3$
$K _{2}\left[ MnCl _{4}\right]$	$5.9$

Amongst $Ti{F_6}^{2 - }\,,\,Co{F_6}^{3 - }\,,\,C{u_2}C{l_2}$ and $NiCl_4^{2-}$ the colourless species are

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Example Magnetic Moment $(BM)$

$K _{4}\left[ Mn ( CN )_{6}\right.$ $2.2$

$\left[ Fe \left( H _{2} O \right)_{6}\right]^{2+}$ $5.3$

$K _{2}\left[ MnCl _{4}\right]$ $5.9$

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