MEDIUMMCQ SINGLEJEE Mains ChemistryPhysical ChemistryIonic equilibriumTheory of Acids and Bases
BF3 is acid according to
A.Lewis✓ Correct
B.Arrhenius
C.Bronsted and Lowery
D.Madam Curie.
Explanation
According to Lewis concept of acids and bases, an acid is a substance which can accept a lone pair of electrons whereas a base is a substance which can donate a lone pair of electrons. BF3 is sp2 hybridized with trigonal planar structure. The central atom boron present in it has incomplete octet due to shortage of electrons. Therefore, it can accept electrons from any Lewis’s base and can act as Lewis’s acid.
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