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Give various methods of preparation of a...

Give various methods of preparation of aldehydes and ketones.

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1) By oxidation of alcohols: Aldehydes and ketones are prepared by oxidation of primary and secondary alcohols.

ii) From alkynes
Aldehyde and ketones are prepared by hydration of acetylene and higher alkynes respectively.

iiI)From alkenes
By reductive ozonolysis
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OMEGA PUBLICATION-ALDEHYDES, KETONES AND CARBOXYLIC ACIDS -MULTIPLE CHOICE QUESTIONS
  1. Give various methods of preparation of aldehydes and ketones.

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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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