12th Class Chemistry The p-block Elements-II / p-ब्लॉक तत्व-II Question Bank 11th CBSE Chemistry The P-Block Elements

  • question_answer
    Aluminium chloride exists as a dimer. Give reasons.

    Answer:

                    In \[AlC{{l}_{3}},\] Al has only six electrons in the valence shell. Therefore, it needs two more electrons to complete its octet. To do so, it accepts a lone pair of electrons from the Cl atom of another \[AlC{{l}_{3}}\] molecule as shown in Fig. 11.2, page 11/10. As a result, \[AlC{{l}_{3}}\] exists as a dimer.


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