Question

Which one of the following compounds of Group-$14$ elements is not known?

• A. ${\left[GeC{l}_6\right]}^{2-}$
• B. ${\left[Sn(OH{)}_6\right]}^{2-}$
• C. ${\left[SiC{l}_6\right]}^{2-}$
• D. ${\left[Si{F}_6\right]}^{2-}$

Answer 1

Answer: (C)

${\left[SiC{l}_6\right]}^{2-}$ does not exist due to steric crowding of surrounding atoms