11th Class Chemistry Chemical Bonding and Molecular Structure

  • question_answer 29) Describe the change in hybridization (if any) of the Al-atom in the following reaction. \[AlC{{l}_{3}}+C{{l}^{-}}\to AlCl_{4}^{-}\]


    In\[AlC{{l}_{3}}\], Al undergoes \[s{{p}^{3}}-\]hybridization to give a trigonal planar structure. To form \[AlCl_{4}^{-},\] Al utilizes the vacant \[{{p}_{z}}\] -orbital also and undergoes \[s{{p}^{3}}\]-hybridization to give tetrahedral structure. \[C{{l}^{-}}\] ion provides a lone pair of electrons to form a bond.

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