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Give reasons for the following : Bond in alcohol is slightly less than the tetrahedral angle. |
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Answer» Solution :(i) SMALLER than tetrahedral angle is DUE to repusion between the unshared or lone pairs of ELECTRONS on oxygen withi MAKES it smaller than `109^(@)-28.`. (ii) `C-OH` bond LENGTH in `CH_(3)OH` is slightly more than the `C-OH` bond length in phenol due to two reasons : There is partial double bond character between C and O due to conjugation of lone pair of electrons on oxygen with the benzene ring. Double bond is smaller than corresponding single bond. |
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