State reasons for each of the following: (i) All the P—Cl bonds in PCl5 molecule are not equivalent.

Question

State reasons for each of the following: (i) All the P—Cl bonds in PCl5 molecule are not equivalent.

State reasons for each of the following:
(i) All the P—Cl bonds in PCl₅ molecule are not equivalent.
(ii) Sulphur has greater tendency for catenation than oxygen.

Monjur Alahi

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2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

(i) In PCl₅ the two axial bonds are longer than the three equatorial bonds. This is due to the fact that the axial bond pairs suffer more repulsion as compared to equatorial bond pairs.

(ii) The property of catenation depends upon bond strength of the element. As S—S bond is much stronger (213 kJ mol^–1) than O—O bond (138 kJ mol^–1), sulphur has greater tendency for catenation than oxygen.