Multiple choice

Structure of Phosphine is

  1. pyramidal

  2. square planar

  3. trigonal

  4. linear

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A Correct answer
Explanation

Phosphine (PH3) has a trigonal pyramidal structure similar to ammonia (NH3). The phosphorus atom is at the apex of the pyramid with three hydrogen atoms at the base corners, with a bond angle of approximately 93.5°.

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