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Chemistry · PYQ NEET UG 2019(1)

हिन्दी

Identify the INCORRECT statement related to \( \text{PCl}_5 \) from the following.

  1. Two axial \( \text{P}-\text{Cl} \) bonds make an angle of \( 180^\circ \) with each other.
  2. Axial \( \text{P}-\text{Cl} \) bonds are longer than equatorial \( \text{P}-\text{Cl} \) bonds.
  3. \( \text{PCl}_5 \) molecule is non-reactive.
  4. Three equatorial \( \text{P}-\text{Cl} \) bonds make an angle of \( 120^\circ \) with each other.

Correct answer · Option 3

\( \text{PCl}_5 \) molecule is non-reactive.

Explanation

\( \text{PCl}_5 \) is highly reactive due to longer and weaker axial bonds, readily hydrolyzing into \( \text{POCl}_3 \) and \( \text{HCl} \). Thus, stating it is non-reactive is incorrect.
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