The coordination number of Al in the crystalline state of ${\rm{AlC}}{{\rm{l}}_3}$ is

NEET UG CHEMISTRY MCQ: SOLID STATE

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The coordination number of Al in the crystalline state of

\mathrm{AlC}{\mathrm{l}_3}

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Correct option: C

Option C (6) is correct because in crystalline

AlCl_3

, each Al atom is surrounded by 6 Cl atoms, forming an octahedral arrangement, thus having a coordination number of 6.

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\mathrm{C}{\mathrm{s}^ + }

\mathrm{C}{\mathrm{I}^ - }

\;0.181\,\,nm

A

B

A

Y