Account for the following: `BF_3` is planar but `NH_3` is not.

Account for the following: H_3PO_3 is dibasic.

Ammonia and Nitric acid are two industrially important compounds. Account for the following: Boiling point of PH_3 is less than. that of NH_3

Account for the following: PCI_3 fumes in moisture.

Account for the following: i) 'NF_3' is pyramidal while 'BF_3' is trigonal planar. ii) Bond angle in 'H_2 O' is larger than bond angle in 'H_2 S'.

Account for the following: NH_3 acts-as a Lewis base.

Account for the following:- Phosphine is a weaker base than NH_3 .

Why is BF_3 planar molecule but NH_3 is pyramidal?

In the following question, an Assertion (A) is followed by a corresponding Reason (R). Use the following keys to choose the appropriate answer. Assertion : BF_3 molecule is planar but NF_3 is pyramidal. Reason : N atom is smaller than B.

Which compound among the following is an antiseptic? BCl_3' H_3 BO_3' BF_3' B_2 O_3'

Identify the Lewis acids from the following: OH^- , BCl_3 , NH_3 , H^+