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Chemistry
The p-Block Elements (Group 13 and 14)
9 questions, each with its answer.
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Which of the following species is not stable?Due to the presence of d-orbitals in Si, Ge and Sn, they form species like $[SiF_6]^{2-}$, $[GeCl_6]^{2-}$ and $[Sn(OH)_6]^{2-}$. $[SiCl_6]^{2-}$ does not exist because six large chloride ions cannot be accommodated around $Si^{4+}$ due to its small size.
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Which of the following is incorrect statement?$PbF_4$ and $SnF_4$ are ionic in nature. So the statement \"$PbF_4$ is covalent in nature\"" is incorrect.
That is every 2019 question in The p-Block Elements (Group 13 and 14).
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