Discussion
The O-H bond length in methanol is
Answer: C
The O-H bond length in methanol is 96 pm.
In methanol the oxygen is sp3 hybridised. The textbook structure gives the O-H bond as 96 pm and the C-O bond as 142 pm, with a C-O-H angle of 108.9°. The O-H bond is short because hydrogen is a very small atom.
142 pm and 141 pm are close to the C-O bond length, and 136 pm is close to the C-O bond in phenol. 109 pm is a typical C-H bond length. None of these is the O-H bond.
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