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Q.

PCl5+Cl−⟶PCl6−The wrong statement regarding the above equation is

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a

Covalency P changes from 5 to 6

b

Oxidation number of P changes from +5 to +6

c

Here PCl5 is a Lewis acid

d

Hybridisation of P changes from sp3d to sp3d2

answer is B.

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Detailed Solution

detailed_solution_thumbnail

The oxidation state of P

 In PCl5 

x +5 (-1)=0

⇒x= +5

In PCl6-

x+6 (-1) =-1

x -6 =-1

⇒x =+5

No change 

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