Multiple choice

Which of the following statements are FALSE?

P. Boiling point of PH3 is lower than that of NH3. Q. Red phosphorus is more reactive than white phosphorus. R. Phosphorus is sp3 hybridised in PCl3. S. In the solid state, PCl5 exists as a covalent solid.

  1. Both P and Q

  2. Both P and R

  3. Both P and S

  4. Both Q and S

  5. Both Q and R
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Chemically, red phosphorus is much less reactive than white phosphorus. In the solid state PCl5 exists as an ionic solid, [PCl4]+[PCl6]– in which the cation [PCl4]+ is tetrahedral and the anion [PCl6]– is octahedral.

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