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Question 600325
JEE Chemistry · Medium

Chemical Bonding: Electron deficiency MCQ

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Electron deficiencyMediumQuestion 600325

Question

BF₃ is Lewis acid because:
  1. A
    B has an incomplete octet and can accept electron pairs
    Correct
  2. B
    F is very electronegative
  3. C
    B has excess electrons
  4. D
    The molecule is polar

Correct answer

B has an incomplete octet and can accept electron pairs

Explanation

BF₃: B has only 6 electrons (incomplete octet). It is electron-deficient and accepts lone pairs from Lewis bases → Lewis acid.

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