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Hell-Vohlard Zelinsky reaction...

Hell-Vohlard Zelinsky reaction

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Aliphatic acids undergo halogenation at the `alpha`- position with halogens and red phosphorus.
`CH_(3)COOHoverset(Cl_(2)//P)(to)CH_(2)ClCO_(2)H`
`CH_(2)ClCOOHoverset(Cl_(2)//P)(to)Cl_(2)CHCOOH`
`Cl_(2)CHCOOH overset(Cl_(2)//P)(to)Cl_(3)C.COOH`
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Write the reactions involved in the following: (i) Hell-Volhard Zelinsky reaction (ii) Decarboxylation reaction

Fill in the blank by choosing the appropriate word/words from those given in the brackets. (acetaldehyde, formaldehyde, benzaldehyde, yellow, white, violet, Cannizzaro's, Liebermann, no alpha -hydrogen atom, 1alpha -hydrogen atom, 2alpha -hydrogen atoms, aldol, beta -hydroxy aldehyde, aldol condensation, mixed condensation, + I,-I, -M,+ M. decreases, increases, benzalchloride, PCI, SOCh. sec, alcohol, tert, alcohol, phenylhydrozone, semicarbazone, more, less, acetals, ketals, silver mirror, test, urotropine, acetaldehyde cyanohydrin, lactic acid, benzoic acid, Sodalime, ethanoic acid, propanoic acid, electrolysis, Kolbe's electrolytic reaction, carbon dioxide, water, amides, alpha, halogen, phosphorus, weaker, stronger, ethyl alcohol, dibasic,monobasic, 2,2-dimethylpropanoic acid, CH_(3)COCI , acetic acid, CH_(3)CH_(2)CH_(2)COOK , enatiomers, diastereo, K_(a) pk_(a) , methanoic acid, higher, lower.) In Hell-Vohlard Zelinsky reaction, the carboxylic acids are halogenated at the ............... position by using ............... and ..............

The Hell-Volhard-Zelinsky reaction is used to

Which of the following does not undergo Hell-Volhard-Zelinsky reaction ?

Carboxylic acid in which Hell-Volhard-Zelinsky reaction cannot be carried out?

Hell-Volhard-Zelinsky reaction involves the replacement of an .............. Atom from the alkyl group of a monocarboxylic acid by a ........ Atom.