NTA Abhyas JEE Main2020Chemistrys Block ElementsPractice
Which one of the following cannot be prepared from B 2 H 6 ?
Options
- ANaBH 4
- BB 2 (CH 3 ) 4 H 2
- CB 2 (CH 3 ) 6
- DH 3 BO 3
Correct answer
C. B 2 (CH 3 ) 6
Step-by-step solution
In diborane, (B 2 H 6 ) molecule, only four terminal hydrogen atoms are replaceable. The two bridge H -atoms cannot be substituted. Hence B 2 (CH 3 ) 6 cannot be prepared from B 2 H 6 .