Identify the incorrect statement from the fol | vedclass

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(A) $1$. Comparing the sizes: $Mg$ $(160 	ext{ pm})$ > $Al$ $(143 	ext{ pm})$ > $Mg^{2+}$ $(72 	ext{ pm})$ > $Al^{3+}$ $(54 	ext{ pm})$. Thus, $Mg

Vedclass · Accepted Answer

The largest and the smallest species among $Mg$, $Mg^{2+}$, $Al$ and $Al^{3+}$ are $Al$ and $Mg^{2+}$, respectively.

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(A) $1$. Comparing the sizes: $Mg$ $(160 	ext{ pm})$ > $Al$ $(143 	ext{ pm})$ > $Mg^{2+}$ $(72 	ext{ pm})$ > $Al^{3+}$ $(54 	ext{ pm})$. Thus, $Mg$ is the largest and $Al^{3+}$ is the smallest. Statement $A$ is incorrect.$2$. The element with atomic number $107$ is Bohrium $(Bh)$, but its systematic $IUPAC$ name is Unnilseptium. Statement $B$ is correct.$3$. $Li$ and $Mg$ show diagonal relationship due to similar charge-to-size ratios. Statement $C$ is correct.$4$. In $[AlCl(H_2O)_5]^{2+}$, $Al$ is in $+3$ oxidation state and forms $6$ coordinate bonds (covalency $6$). Statement $D$ is correct.

Identify the incorrect statement from the following:

Similar Questions

Which of the following orders is $NOT$ correct with respect to the mentioned properties?

The electronic configurations of four elements are:
$I. [Xe] \, 6s^1$
$II. [Xe] \, 4f^{14} \, 5d^1 \, 6s^2$
$III. [Ar] \, 4s^2 \, 4p^5$
$IV. [Ar] \, 3d^7 \, 4s^2$
Select the incorrect statement about these elements.

Which of the following statement$(s)$ is/are incorrect?

The set of elements that differ in mutual relationship from those of the other sets is:

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