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JEE Main Chemistry question

ChemistryThe p-Block ElementsJEE Main

The correct Lewis acid order for boron halides is:

Answer: (C)

Solution

Lewis acidity of the boron trihalides increases down the halogen group, BF_3 < BCl_3 < BBr_3 < BI_3, because the larger halogens form progressively weaker back bonds with boron's small

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Question ID VK-138606