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Question
Which of the following is an electron-deficient compound?
Which of the following is an electron-deficient compound?
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Solution
The correct option is D B2H6
The B−H−B bridging bonds are 3c−2e bonds and not conventional 2c−2e (two-center-two-electron) bonds. B has only three valence e- and cannot form four 2c−2e bonds and hence is termed electron deficient.
The B−H−B bridging bonds are 3c−2e bonds and not conventional 2c−2e (two-center-two-electron) bonds. B has only three valence e- and cannot form four 2c−2e bonds and hence is termed electron deficient.
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