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How will you bring about the following c...

How will you bring about the following conversions in not more than two steps? i. Propanone to Propene ii. Benzoic acid to Benzaldehyde iii. Ethanol to `.3` -Hydroxybutanal iv. Benzene to `m` - Nitroacetophenone v. Benzaldehyde to Benzophenone vi. Bromobenzene, to 1-Phenylethanol vii. Benzaldehyde to 3-Phenylpropan-l-ol, viii. Benazaldehyde to `alpha` -Hydroxyphenylacetic acid ix. Benzoic acid to `m` - Nitrobenzyl 'alcohol

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How will you bring about the following conversions ? Benzoic acid to Benzaldehyde.

How will you bring about the following conversions? (Write the chemical equations) (iii) benzoic acid to Benzaldehyde

How will you bring about the following conversions? i. Ethanol to but-1-yne ii. Ethane to bromo:ethene iii. Propene to 1 -nitropropane iv. Toluene to. benzyl alcohol v. Propene to propyne vi. Ethanol to ethyl fluoride vii. Bromomethane to propanone viii. But-1-ene to but -2-ene ix. 1 chlorobutane to n- octane x. Benzene to biphenyl.

How will you convert : i. Ethanoic acid into methanamine ii. Hexanenitrile into 1 aminopentane iii. Methanol into methanine iv. Ethanamine into methanamine v. Ethanoic acid into propanoic acid vi. Methanamine into ethanamine 'vii. Nitromethane into dimethylatnine viii. Propanoic acid into ethanoic acid.

How will you prepare the following compounds from benzene? You may use any inorganic reagent and any organic reagent having not more than one carbon atom, i. MethyI benzoate ii. m -Nitrobenzoic. acid iii. p-Nitrobenzoic' acid iv: Phenýlacetic acid v. p-Nitrobenzaldehydè.

Name the reagents used in the following reactions: i Oxidation of a primary alcohol to carboxylic acid ii. Oxidation of a primary alcohol to aldehyde. iii. Bromination of phenol to 2.4,6- tribromophenol iv. Benzyl alcohol to benzoic acid. v. Dehydration of propan- 2 -ol to propene: vi. Butan- 2 -one to butan- 2-ol

Which of the following compounds would undergo aldol condensation,in which the Cannizzaro reaction and which neither? Write the structures of thé expected products of aldol condensation and Cannizzaro reaction. i. Methanal ii. 2-Methylpentanal iii. Benzaldehyde iv. Benzophenone v.Cyclohexanone vii.1-Phenylpropanone vii, Phenylacetaldehyde viii. Butan-1-ol ix. 2,2-Dimethylbutanal

Draw the structures of the following compounds. i: 3-Methylbutanal ii. p-Nitropropiophenone iii. p-Methylbenzaldehyde iv. 4-Methylpent- 3 -en-2-one v. 4-Chloropentan-2-one vi. 3-Bromo-4-phenylpentanoic acid vii. P,p'-Dihydroxybenzophenone viii.Hex-2-en-4-ynoic acid

Carboxylic acid, although unreactive to alcohols, reacts in the presence of small amount of conc. H_(2)SO_(4) or with 2-3% of HCl? RCOOH+R'OH overset(H^(o+))hArr RCOOR'+H_(2)O Which of the following is correct about the above reaction? I. This reaction is called Fischer esterification reaction. II. The equilibrium is shifted to R.H.S. if H_(2)O is removed by azeotropic distillation with benzene. III. The reaction of RCOCl and R'OH to give ester(RCOOR') is irreversible and more feasible than esterification of RCOOH IV. If the above esterification of RCOOH is carried out in excess of R'OH, the equilibrium is shifted to R.H.S.

V PUBLICATION-ALDEHYDES, KETONES AND CARBOXYLIC ACIDS-QUESTION BANK
  1. Write simple chemical tests and observations used to distinguish betwe...

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  2. How will you prepare the following compounds from benzene? You may use...

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  3. How will you bring about the following conversions in not more than tw...

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  4. Describe the following: i. Acetylation ii. Cannizzaro 'reaction iii. C...

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  5. Give possible explanation fòr each of the following: i. Cyclohexanone ...

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  6. An organic compound cọntains 69.77 %carbon, 11.63 % hydrogen and rest ...

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  7. Although phenoxide ion has more number of resonating structures than c...

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  8. Dipole moment of aldehydes (2.3-2.8, D). is much higher than thảt of a...

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  9. Name the reaction and the reagent used for the converstion, of acid ch...

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  10. Arrange the following in order of their increasing reactivity fowards ...

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  11. Give the product obtainéd when acetophenone is treated with hydrazine ...

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  12. How will you convert acetone into ethanoic acid?

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  13. How is acetone obtained from ethanol?

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  14. How is acetone obtained from 2 - bromopropane?

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  15. Which alkene on reductive ozonolysis given acetone as the only product...

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  16. Give an example of a compound in which hydrogen bonding results in the...

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  17. Why formic acid(HCOOH) does not give HVZ reaction but CH3COOH does

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  18. How will you distinguish experimentally between an alcohol and a carb...

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  19. How will you convert an acid into an ester without using an alcohol?

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  20. Though butanol and butanal have the same solubility in water, there is...

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