JEE Advanced 2024 Chemistry question

The species formed on fluorination of phosphorus pentachloride in a polar organic solvent are

(A) and
(B) and Correct
(C) and
(D) and

Answer: (B)

Solution

In a polar solvent ionises as . On fluorination the incoming fluoride replaces chloride in the anion, giving the ionic isomers and, with complete exchange in the anion,

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Question ID VK-034252