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What happens to boranes at high temperatures ?

Answer»

Solution :At high temperatures it forms higher boranes liberating HYDROGEN.
`5B_(2)H_(6) underset("U-tube")overset(388" K")to 2B_(5)H_(11)+4H_(2)`
`2B_(2)H_(6)overset(198-373" K")to B_(4)H_(10)+H_(2)`
`5B_(2)H_(6) underset("sealed tube")overset(373K)to B_(10)H_(14)+8H_(2)`
`5B_(2)H_(6)to overset(473-523K)to 2B_(5)H_(9)+6H_(2)`
`10B_(2)H_(6)overset(523K)to 2B_(5)H_(9)+2B_(5)H_(10)+11H_(2)`
`B_(2)H_(6)overset("Red hot")to 2B+3H_(2)`


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