Answers

2016-01-28T14:46:08+05:30
Since boron has 4 electrons in its valence shell it forms the structure like ethane molecule
       H    H
       ]     ]
H - C - C - H 
       ]     ]
       H   H
ETHANE MOLECULE 
SIMILARLY
    H    H
    ]       ]
H-B - B - H
    ]     ] 
   H     H
B2H6
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