In cyclophosphazenes (NPX2 )3(X=F, Cl, Br and Me), the strength of P-N pi - bond varies with X in the order

ABC26IN0470 · Main Group Elements

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

In cyclophosphazenes $\left(\mathrm{NPX}_{2}\right)_{3}(\mathrm{X}=\mathrm{F}, \mathrm{Cl}, \mathrm{Br}$ and Me$)$, the strength of $\mathrm{P}-\mathrm{N} \pi-$ bond varies with X in the order

(a)$\mathrm{F}>\mathrm{Cl}>\mathrm{Br}>\mathrm{Me}$

(b)$\mathrm{Me}>\mathrm{F}>\mathrm{Cl}>\mathrm{Br}$

(c)$\mathrm{Br}>\mathrm{Cl}>\mathrm{F}>\mathrm{Me}$

(d)$\mathrm{Me}>\mathrm{Br}>\mathrm{Cl}>\mathrm{F}$

Answer

Answer (as printed): A

Explanation

No explanation was printed for this question.

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