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The number of non-ionisable hydrogen atoms present in the final product obtained from the hydrolysis of PCl5 is : (1) 0 (2) 2 (3) 4 (4) 3

1. 0
2. 2
3. 4
4. 3

Correct answer: 3

Solution

The hydrolysis of PCl5 produces phosphoric acid (H3PO4) and hydrochloric acid (HCl), resulting in three non-ionisable hydrogen atoms in the phosphoric acid molecule.

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