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  4. Cr+3 in aquous medium form green coloured complex with NH3 ligand. How many ligand associated

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Q. $\ce{Cr^{+3}}$ in aquous medium form green coloured complex with $\ce{NH_3}$ ligand. How many ligand associated

Solution:

$\ce{[Cr(H_2O)_6]^{+3} + 6NH_3 s -> [Cr(NH_3)_6]^{+3} = + 6H_2O }$
$\ce{Cr^{+3}} $ show six C.N. with $\ce{NH_3}$