MEDIUMMCQ SINGLEJEE Mains ChemistryPhysical ChemistryIonic equilibriumPrevious Year Questions

Which one of the following molecular hydrides acts as a Lewis’s acid? (AIPMT 2010)

A.CH4

B.NH3

C.H2O

D.B2H6✓ Correct

Explanation

B (Boron) in Diborane is 3 sp hybridized. The central atom present in these have 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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