NH3 has a much higher boiling point than PH3 because

NH 3 contains ionic bonds whereas PH 3 contains covalent bonds

NH 3 contains ionic bonds whereas PH 3 contains covalent bonds

NH 3 has a larger molecular weight

NH 3 contains ionic bonds whereas PH 3 contains covalent bonds

NH 3 undergoes umbrella inversion

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NH₃ has a much higher boiling point than PH₃ because

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NH₃ has a larger molecular weight

NH₃ forms hydrogen bond

NH₃ contains ionic bonds whereas PH₃contains covalent bonds

NH₃ undergoes umbrella inversion

answer is C.

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Melting and boiling points of ammonia are higher than the expected values. This is due to intermolecular hydrogen bonding in ammonia.

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