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NEETChemistryp Block Elements (Group 13 & 14)

Why does PH 3 have a lower boiling point than NH 3 ?

Options

  1. APH 3 molecules have stronger hydrogen bonding.
  2. BPH 3 molecules are not associated through hydrogen bonding.
  3. CPH 3 has a lower molecular weight.
  4. DPH 3 is more polar than NH 3 .

Correct answer

B. PH 3 molecules are not associated through hydrogen bonding.

Step-by-step solution

Correct Option is : (B) PH 3 molecules are not associated through hydrogen bonding.

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