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Mithoron
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Why are Are bridge bonds in diborane longer than the terminal H bonds?

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Mithoron
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Why is theare bridge hydrogen bonds in diborane longer though it is stronger than the terminal H bonds?

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The compound diborane on alkylation loses the terminal h bonds$\ce{H}$-bonds rather than the bridge bonds indicating that the bridge bond is STRONGERstronger but on the other hand it's length is found to be LONGERlonger than terminal hydrogen bonds. But usually bond length is inversely propotionalproportional to bond strength...What

What is the reason for this?

The compound diborane on alkylation loses the terminal h bonds rather than the bridge bonds indicating that the bridge bond is STRONGER but on the other hand it's length is found to be LONGER than terminal hydrogen bonds. But usually bond length is inversely propotional to bond strength...What is the reason for this?

The compound diborane on alkylation loses the terminal $\ce{H}$-bonds rather than the bridge bonds indicating that the bridge bond is stronger but on the other hand it's length is found to be longer than terminal hydrogen bonds. But usually bond length is inversely proportional to bond strength.

What is the reason for this?

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M. S. L
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