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Electronegativities H-2.1 C-2.5 O-3.5
2.85D
2.27D
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NMR
9.5 ppm
2.2 ppm
Downfield shift
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2.
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O
OK2Cr2O7, KMnO4 etc.
O
PCC
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O3
Zn, HOAc
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HgO, MeOH
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H2SO4/H2O
-H, H
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HgO, MeOH
H2SO4/H2O
1. B2H6 2. H2O2/OH-