JEE Main 2019 Chemistry question

Chemistry Chemical Bonding and Molecular Structure JEE Main 2019

The number of 2-centre-2-electron and 3-centre-2-electron bonds in BH, respectively, are:

(A)2 and 2
(B)2 and 1
(C)2 and 4
(D)4 and 2Correct

Answer: (D)

Solution

Four terminal B–H bonds and two B–H–B bridges.

Question ID VK-010615