Describe the following:Cannizzaro reaction from Chemistry Aldeh

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 Multiple Choice QuestionsShort Answer Type

241. How will you bring about the following conversions in not more than two steps?
Ethanol to 3-Hydroxy butanal
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242. How will you bring about the following conversions in not more than two steps?
Benzaldehyde to Benzophenone.
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243. How will you bring about the following conversions in not more than two steps?
Benzaldehyde to 3-Phenylpropan-1-ol
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244. How will you bring about the following conversions in not more than two steps?
Benzaldehyde to straight alpha-Hydroxy phenyl acetic acid
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245. How will you bring about the following conversions in not more than two steps?
Benzoic acid to m-Nitrobenzyl alcohol.
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246. How will you bring about the following conversions in not more than two steps?
Benzoic acid to Benzaldehyde
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247. How will you bring about the following conversions in not more than two steps?
Benzene to m-Nitroacetophenone
192 Views

248. How will you bring about the following conversions in not more than two steps?
Bromo benzene to 1-Phenyl ethanol. 
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249. Describe the following:
Acetylation
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250. Describe the following:
Cannizzaro reaction


Cannizzaro’s reaction: In this reaction two molecules of aldehydes (without the α-hydrogen atom) react in presence of concentrated alkali by mutual oxidation-reduction forming one molecule of each of the corresponding alcohol and acid. Thus Methanol when heated with alkali gives methanol and methanoic acid.


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