Chemical Bonding and Molecular Structure - Result Question 1
####1. Which of the following is electron - deficient?
[NEET 2013]
(a) $(SiH_3)_2$
(b) $(BH_3)_2$
(c) $PH_3$
(d) $(CH_3)_2$
Show Answer
Solution:
(b) $(BH_3)_2$ or $(B_2 H_6)$
It contains two, 3 centre - 2 electron bonds that are present above and below the plane of molecules. Compounds which do not have sufficient number of electrons to form normal covalent bonds are called electron deficient molecules.
