Question
Incorrect statements among the following is/are
The electronegativities decrease from $X$ to $Y$ to $Z$.
The atomic radius increases in the order $X , Y$ and $Z$ and $X , Y$ and $Z$ could be phosphorus, aluminium and sodium respectively.
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$\begin{matrix}
\underset{X}{\mathop{H}}{{O}_{2}}C-C{{H}_{2}}-CH-C{{O}_{2}}\underset{Z}{\mathop{H}}\, \\
\,\,\,\,\,\,\,\,\,\,\,| \\
\,\,\,\,\,\,\,\,\,\,\,\,\,+N{{H}_{3}} \\
\end{matrix}$
The isoelectric point for the amino acid is
(Rounded-off to the nearest integer) $\left[ K _{ b }=0.52 \,K \,kg\, mol ^{-1}\right]$