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BITSAT 2010

Exam: BITSAT
Year: 2010
Subject: Chemistry
Chapter: Ionic Equilibrium

BITSAT 2010 · Chemistry · Ionic Equilibrium

Which of these is least likely to act as Lewis base?

Which of these is least likely to act as Lewis base?

Options

A $\mathrm{F}^{-}$
B $\mathrm{BF}_{3}$
C $\mathrm{PF}_{3}$
D $\mathrm{CO}$

Correct answer

B. $\mathrm{BF}_{3}$

Step-by-step solution

\mathrm{BF}_{3}

is Lewis acid (e- pair acceptor)

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