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Write Hell Volhard Zelinsky reaction....

Write Hell Volhard Zelinsky reaction.

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In Hell -Volhard - Zelinsky reaction (HVZ - reaction) carboxylic acids containing `alpha`-hydrogen are halogenated in the presence of red phosphorus.
`R CH_2 COOH underset((ii) H_2O)overset((i) X_2//Red P) to R underet(X) underset|CH COOH`
Here, X may be bromine or chlorine.
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OMEGA PUBLICATION-ALDEHYDES, KETONES AND CARBOXYLIC ACIDS -MULTIPLE CHOICE QUESTIONS
  1. Write Hell Volhard Zelinsky reaction.

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  2. In the following reaction, product P is R - overset(O)overset(||)C -...

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  3. Rosenmund's reduction of an acyl chloride gives

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  4. The wavelength of a beam of light is 25 micrometer. What is its wavenu...

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  5. Which of the following compounds gives a ketone with Grignard's reagen...

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  6. Identify the product Y in the sequence. CH3 CHO + CH3 MgBr overset(...

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  7. Which of the following reacts with NaOH to produce an acid and an alco...

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  8. Which of the following gives aldol condensation reaction?

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  9. CH3 - overset(O)overset(||)C - CH2 - CH3, overset(SeO2)to X + H2O here...

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  10. The following reaction is known as

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  11. What happens when ethanoyl chloride is reduced with H2 in the presence...

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  12. If formaldehyde and KOH are heated, then we get

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  13. The addition of HCN to carbony compounds ts an example of

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  14. Dimerisation in carboxylic acid is due to

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  15. Lower carboxylic acids are soluble in water due to

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  16. Carboxylic acids are more acidic than phenols and alcohols because of

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  17. CH3 COCl can be obtained directly by reacting PCl5 with

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  18. HCOOH reacts with conc. H2SO4 to produce

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  19. The reaction RCH2 CH2 COOH underset(Br2) overset("Red P")to R - CH2-...

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  20. C6H6+CO + HCl overset("Anhy"AlCl3) to X + HCl Compound X is

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  21. The chemical reaction of acetaldehyde and ammonia gives

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