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p-Block Elements - I
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Among the following, the correct statement(s) is(are)
$[A]$ $\mathrm{A} 1\left(\mathrm{CH}_3\right)_3$ has the three-centre two-electron bonds in its dimeric structure
$[B]$ $\mathrm{BH}_3$ has the three-centre two-electron bonds in its dimeric structure
$[\mathrm{C}] \mathrm{AlCl}_3$ has the three-centre two-electron bonds in its dimeric structure
$[D]$ The Lewis acidity of $\mathrm{BCl}_5$ is greater than that of $\mathrm{AlCl}_5$
A
$A,B,C$
B
$A,B,D$
C
$A,B$
D
$A,C$
(IIT-2017)
Solution
Both $\mathrm{Al}\left(\mathrm{CH}_3\right)_3$ and $\mathrm{BH}_3$ has $3 \mathrm{c}-2 \mathrm{e}$ bonds in the dimeric structure.
$\mathrm{BCl}_3$ is stronger Lewis acid than $\mathrm{AlCl}_3$.
Standard 11
Chemistry
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