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JEE Main & Advanced Chemistry The p-block Elements-II / p-ब्लॉक तत्व-II Question Bank Mock Test - The p-Block Elements (Groups 13, 14)

  • question_answer
    Among the halides
    (I) \[BC{{l}_{3}}\]                    
    (II) \[AlC{{l}_{3}}\]
    (III) \[GaC{{l}_{3}}\]                
    (IV) \[InC{{l}_{3}}\]
    The order of decreasing Lewis acid character is:

    A) I, II, III, IV        

    B) II, III, IV, I

    C) III, IV, II, I       

    D) IV, III, II, I

    Correct Answer: D

    Solution :

    [d] The acidic character of chlorides increases down the group \[BC{{l}_{3}}\]is weak acid to show \[p\pi -p\pi \]back bonding.


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