Which of the following species does not exist | vedclass

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(A) The species $[SiCl_6]^{2-}$ does not exist. Silicon $(Si)$ has a small atomic size and cannot accommodate six large $Cl^-$ ions around it due to s

Vedclass · Accepted Answer

$[SiCl_6]^{2-}$

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(A) The species $[SiCl_6]^{2-}$ does not exist. Silicon $(Si)$ has a small atomic size and cannot accommodate six large $Cl^-$ ions around it due to steric hindrance. Additionally,the $Si-Cl$ bond is not strong enough to stabilize the hexacoordinated structure. In contrast,$[SiF_6]^{2-}$ exists because the $F^-$ ion is small enough to fit around the $Si$ atom.

Which of the following species does not exist?

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