| 31. | PCC also converts suitable unsaturated alcohols and aldehydes to cyclohexenones.
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| 32. | In this reaction the carbonyl group is an aldehyde or a ketone.
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| 33. | The revolutionary key was Beaux's use of aldehydes.
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| 34. | Aldehydes are organic compounds of carbon, oxygen and hydrogen.
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| 35. | Direct oxidation of an aldose affects the aldehyde group first.
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| 36. | The aldehydes and ketones provided material for his earlier work.
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| 37. | Glyoxal is the smallest dialdehyde ( two aldehyde groups ).
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| 38. | Large forms of Selenomonas from enriched sheep rumen liquor after aldehyde fixation.
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| 39. | This may involve one aldehyde or ketone reacting with itself.
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| 40. | If a sugar contains an aldehyde group, it is an aldose.
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