JEE Main & Advanced
JEE Main Paper (Held On 10-Jan-2019 Evening)
question_answer
The number of 2-centre-2-electron and 3- centre -2-electron bonds in \[{{B}_{2}}{{H}_{6}}\], respectively are:
[JEE Main Online Paper (Held On 10-Jan-2019 Evening]
A)2 and 2
B)2 and 1
C)2 and 4
D) 4 and 2
Correct Answer:
D
Solution :
2-centre-2 electron bond = 4 3-centre-2 electron bond = 2