AIIMS2017ChemistryChemical Bonding and Molecular Structure
Hydride of boron occurs as B ₂ H ₆ but B ₂ Cl ₆ does not exist. This is because
Options
- Ap -d back bonding is possible in B ₂ H ₆ but not in B ₂ Cl ₆
- Bboron and hydrogen have almost equal values of electronegativity
- Cboron and chlorine have almost equal atomic sizes
- Dsmall hydrogen atoms can easily fit in between boron atoms but large chlorine atoms do not.
Correct answer
D. small hydrogen atoms can easily fit in between boron atoms but large chlorine atoms do not.
Step-by-step solution
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