The pBlock Elements - Result Question 16
####17. Which of the following species is not stable?
(a) $[SiF_6]^{2-}$
(b) $[GeCl_6]^{2-}$
(c) $[Sn(OH)_6]^{2-}$
(d) $[SiCl_6]^{2-}$
[2019]
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Solution:
- (d) $[SiCl_6]^{2-}$ does not exist because six large chloride ions cannot be accommodated around $Si^{4+}$, due to its small size.