Among the halides, the order of decreasing lewis acid character is:
$1. B C l_{3}, 2 . A l C l_{3}, 3 . G a C l_{3}, 4 . In C l_{3}$

1,2,3,4

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4,3,2,1

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3,4,2,1

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2,3,4,1

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Solution

The correct option is B 1,2,3,4
The chemical species containing an empty orbital that is capable of accepting an electron pair is called as Lewis acid.
The Lewis acid character decreases from top to bottom down the group as effective nuclear charge decreases.
Therefore, the order of decreasing Lewis character is-
$B C l_{3} > A l C l_{3} > G a C l_{3} > I n C l_{3}$ i.e., $1 > 2 > 3 > 4$

Hence, option $A$ is correct.

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Similar questions

1. B C l_{3}, 2. A l C l_{3}, 3. G a C l_{3}, 4. I n C l_{3}

i . B C l_{3}

i i . A l C l_{3}

i i i . G a C l_{3}

i v . I n C l_{3}

i . B C l_{3}

i i . A l C l_{3}

i i i . G a C l_{3}

i v . I n C l_{3}

B X_{3}

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