Hydride of boron occurs as B 2 H 6 but B 2 Cl 6 does not exist. This is because :
Chemistry · JEE Advanced · NTA Exams — p-Block Elements
Hydride of boron occurs as B2H6 but B2Cl6 does not exist. This is because :
- pπ-dπ back bonding is possible in B2H6 but not in B2Cl6
- boron and hydrogen have almost equal values of
electronegativity - boron and chlorine have almost equal atomic sizes
- small hydrogen atoms can easily fit in between boron atoms but large chlorine atoms do not
Answer
(D) small hydrogen atoms can easily fit in between boron atoms but large chlorine atoms do not
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