AlCl_3 exists as a dimer because... | vedclass

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(D) In $AlCl_3$,the aluminum atom is electron-deficient,having only $6$ electrons in its valence shell. To complete its octet,$AlCl_3$ forms a dimer $

Vedclass · Accepted Answer

It has an incomplete $p$-subshell.

Vedclass · Answer

(D) In $AlCl_3$,the aluminum atom is electron-deficient,having only $6$ electrons in its valence shell. To complete its octet,$AlCl_3$ forms a dimer $Al_2Cl_6$ through coordinate covalent bonding,where chlorine atoms donate lone pairs to the aluminum atom. This is driven by the incomplete octet or the incomplete $p$-subshell configuration of the aluminum atom.

$AlCl_3$ exists as a dimer because...

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