Multiple choice

Which of the following statements regarding phosphine are incorrect?

  1. It is a trigonal pyramidal molecule.
  2. Point group of phosphine is C2v.
  3. The length of the P-H bond is 1.42 Å.
  4. The H-P-H bond angles are 109.5°.
  5. It is a polar molecule.

  1. 1 and 2

  2. 1 and 5

  3. 2 and 3

  4. 2 and 4

  5. 3 and 4
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Phosphine (PH3) belongs to C3v point group. The H-P-H bond angles are 93.5°.

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