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NEETChemistryp Block Elements (Group 13 & 14)

Why are the monomeric trihalides strong Lewis acids?

Options

  1. ABecause they have a full electron octet
  2. BBecause they are electron-rich
  3. CBecause they are electron-deficient
  4. DBecause they contain d orbitals

Correct answer

C. Because they are electron-deficient

Step-by-step solution

The monomeric trihalides are electron deficient, which makes them strong Lewis acids.

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