(D) In group $14$,the elements are $C, Si, Ge, Sn, Pb$. $C$ and $Si$ are non-metals. $Ge$ is a metalloid. $Sn$ and $Pb$ are metals. Thus,there is only

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The number of metalloids in group $14$ elements is $2$

(D) In group $14$,the elements are $C, Si, Ge, Sn, Pb$. $C$ and $Si$ are non-metals. $Ge$ is a metalloid. $Sn$ and $Pb$ are metals. Thus,there is only $1$ metalloid $(Ge)$ in group $14$. Therefore,the statement in option $(D)$ is incorrect.

Class 11 Chemistry p-Block Elements (Class 11)Carbon family

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Which of the following is not correct?

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A
Lead does not show catenation
B
Buckminster fullerene contains $20$ six-membered rings and $12$ five-membered rings
C
Stability order of $GeX_2, SnX_2$ and $PbX_2$ is $GeX_2 < SnX_2 < PbX_2$
D
The number of metalloids in group $14$ elements is $2$

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In the following reaction,assign the correct category for the underlined atom in the product of complete hydrolysis at $R.T.$:
$H_3\underset{-}{P}O_5 + H_2O \longrightarrow H_3PO_4 + H_2O_2$