Which one of the following statements is not | vedclass

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(D) In diborane $(B_2H_6)$,the structure consists of two $BH_2$ groups linked by two bridging hydrogen atoms.The terminal $B-H$ bonds are normal $2c-2

Vedclass · Accepted Answer

All the $B-H$ bond distances are equal.

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(D) In diborane $(B_2H_6)$,the structure consists of two $BH_2$ groups linked by two bridging hydrogen atoms.The terminal $B-H$ bonds are normal $2c-2e$ (two-center,two-electron) covalent bonds,while the bridging $B-H-B$ bonds are $3c-2e$ (three-center,two-electron) bonds.Due to the difference in the nature of these bonds,the terminal $B-H$ bond length $(119 	ext{ pm})$ is shorter than the bridging $B-H$ bond length $(134 	ext{ pm})$.Therefore,the statement that all $B-H$ bond distances are equal is false.

Which one of the following statements is not true regarding diborane $(B_2H_6)$?

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