JEE Advanced Chemistry question

Match the compounds (Column-I) with their structures (Column-II).

Column-I: (A) P4 (B) S8 (C) AlCl3 (D) PCl5 Column-II: (p) Crown (q) Dimer (r) Tetrahedral (s) Linear (t) Trigonal bipyramid

Codes:

(A)A-r, B-p, C-q, D-s
(B)A-s, B-r, C-p, D-q
(C)A-p, B-q, C-s, D-r
(D)A-q, B-s, C-p, D-rCorrect

Answer: (D)

Solution

By real structural chemistry, P4 is a discrete tetrahedral molecule (r), S8 exists as a puckered eight-membered ring usually described as "crown"-shaped (p), AlCl3 dimerises through chlorine bridges to Al2Cl6 (q, "dimer"), and PCl5 is trigonal bipyramidal (sp3d) in the gas/liquid phase (t). The source's printed Codes

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Question ID VK-159516