ABC26IN0455 · Main Group Elements

Subject: Inorganic Chemistry · Chapter: Main Group Elements · Topic: Main Group Element – General · Exam: GATE 2005-2021 · Marks: 2 · Difficulty: Medium

For $\mathrm{Et}_{2} \mathrm{AlX}\left(\mathrm{X}=\mathrm{PPh}_{2}^{-}, \mathrm{Ph}^{-}, \mathrm{Cl}^{-1}\right.$ and $\left.\mathrm{H}^{-}\right)$, the tendency towards dimeric structure follows the order
(a)$\mathrm{PPh}_{2}^{-}>\mathrm{Cl}^{-}>\mathrm{H}^{-}>\mathrm{Ph}^{-}$
(b)$\mathrm{Cl}^{-}>\mathrm{PPh}_{2}^{-}>\mathrm{H}^{-}>\mathrm{Ph}^{-}$
(c)$\mathrm{Ph}^{-}>\mathrm{H}^{-}>\mathrm{Cl}^{-}>\mathrm{PPh}_{2}^{-}$
(d)$\mathrm{H}^{-}>\mathrm{Ph}^{-}>\mathrm{PPh}_{2}^{-}>\mathrm{Cl}^{-}$
Answer
Answer (as printed): D
Explanation
No explanation was printed for this question.

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