First slide

Chemical properties

Question

Which of the following species is not stable?

Easy

A

${[{SiCl}_{6}]}^{2 -}$
B

${[{SiF}_{6}]}^{2 -}$
C

${[{GeCl}_{6}]}^{2 -}$
D

${[Sn (OH)_{6}]}^{2 -}$

Solution

${[{SiCl}_{6}]}^{2 -}$ is not stable due to steric hindrance by large sized ${Cl}^{-}$ ions on small sized ${Si}^{+ 4}$ .

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