12th Class Chemistry The p-block Elements-II / p-ब्लॉक तत्व-II Question Bank 12th CBSE Chemistry The P-Block Elements

  • question_answer
    \[PC{{l}_{5}}\]acts as a chlorinating agent in organic reactions. Why?

    Answer:

                    \[PC{{l}_{5}}\]has a trigonal bipyramidal shape in which \[P-Cl\](a) bonds are slightly larger than the \[P-Cl\](e) bonds. This makes the molecule, rather, unstable. It dissociates to lose two chlorine atoms involved in the axial bonds and, thus, acts as a chlorinating agent.                 \[PC{{l}_{5}}PC{{l}_{3}}+C{{l}_{2}}\]


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