Question

Which one is better lewis acid between bcl3 and alcl3?

Answer 1

hyy dear.....

here ur answer is.....

"bcl3' is strong Lewis acid compared to "alcl3'

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Answer 2

BCl3 is stronger lewis acid than AlCl3 because of the size difference of B and Al. For B it use its 2P orbital for bonding and for Al it use its 3P orbital for bonding.

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