Question

Valency of Phosphorus in pcl3 is------ and in PCL5 is------
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Answer 1

Answer:

These electrons become unpaired and move to the vacant 3d orbital of phosphorus, so phosphorus is able to expand its valency to 5 in PCl5 due to the vacant d orbital. Hence, Valency of phosphorus in PCl3 is 3, in PCl5 is 5.

Explanation:

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Answer 2

Explanation:

Valency Of Phosphorus in pcl3 Is 3 And in pcl5 is 5

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