MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Physical ChemistryIonic equilibriumPrevious Year Questions
Which of these is least likely to act as a Lewis’s acid? (NEET 2013)
A.BF3
B.PF3✓ Correct
C.CO
D.F+
Explanation
PF3 is Lewis’s base (electron pair donor).
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