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Give reasons for the following : C-OH bond length in CH_(3)OH is slightly more than C-OH bond length in phenol. |
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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 : Carbon atom of the ring to which `-OH` is attached is `sp^(2)` hybridised while corresponding carbon in alcohol is `sp^(3)` hybridised. A `sp^(2)` hybridised orbital gives a smaller bond. |
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