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NEET 2009
Exam
NEET
Year
2009
Subject
Chemistry
Chapter
Classification of Elements and Periodicity in Properties

NEET 2009 · Chemistry · Classification of Elements and Periodicity in Properties

Which of the following molecules acts as a Lewis acid ?

Which of the following molecules acts as a Lewis acid ?

Options

  1. A(CH3)3 N\left(\mathrm{CH}_3\right)_3 \mathrm{~N}
  2. B(CH3)3 B\left(\mathrm{CH}_3\right)_3 \mathrm{~B}
  3. C(CH3)2O\left(\mathrm{CH}_3\right)_2 \mathrm{O}
  4. D(CH3)3P\left(\mathrm{CH}_3\right)_3 \mathrm{P}

Correct answer

B. (CH3)3 B\left(\mathrm{CH}_3\right)_3 \mathrm{~B}

Step-by-step solution

(CH3)3 B→\left(\mathrm{CH}_3\right)_3 \mathrm{~B} \rightarrow is electron efficient compound, so behaves as Lewis acid.
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