Assertion : Formation of ion is relatively difficult in comparison to ion

CHEMISTRY · Subjective · ISC · Chemistry · Chemical Bonding and Molecular Structure · Coordinate bond

Problem

Assertion : Formation of PH4+\text{PH}_4^+ ion is relatively difficult in comparison to NH4+\text{NH}_4^+ ion. Reason : Lone pair of phosphorus atom in PH3\text{PH}_3 resides in stereochemically inactive pure ss-orbital.

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