Lewis acid among the following is
`CH_4`
`NH_3`
`BF_3`
`CO`

The strongest Lewis acid among the following is :

Total number of Lewis acids among the following is : BF_(3),H_(3)PO_(4),NH_(3),SiF_(4),CH_(3)COOH,NaOH,CO_(2),HCl,SO_(3) .

Which among the following is a Lewis acid?

Strongest and weakest acid among the following is CH_(3)-NO_(2) CH_(3)-CHO CH_(3)-F CH_(3)-CN

How many molecules among the following have zero dipole moment NH_(3),BF_(3),NF_(3),C CI_(4) ? .

What is the Lewis acid and base in the following reaction? 2NH_(3) (aq) + Ag^(+) (aq) to [Ag(NH_(3))_(2)]^(+) (aq) .

Select Lewis acid and Lewis base from the following : Cu^(2+) , H_(2)O, BF_(3),OH^(-)