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 Multiple Choice QuestionsMultiple Choice Questions

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21.

A organic compound 'A' on treatment with NH3 gives 'B' which on heating gives 'C', 'C" when treated with Br2 in the presence of KOH produces ethylamine. Compound ' A' is

  • CH3COOH

  • CH3CH2CH2COOH

  • CH3(CH3)CHCOOH

  • CH3(CH3)CHCOOH

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22.

Which one of the following esters gets hydrolysed most easily under alkaline conditions?

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23.

The oxidation of benzene by V2O5 in the presence of air produces

  • benzoic anhydride

  • maleic anhydride

  • benzoic acid

  • benzoic acid

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24.

Acetamide is treated with the following reagents separately. Which one of these would yield methylamine? 

  • NaOH - Br2

  • Sodalime

  • Hot conc. H2SO4

  • Hot conc. H2SO4

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25.

Among the given compounds, the most susceptible to nucleophilic attack at the carbonyl group is 

  • CH3COOCH3

  • CH3CONH2

  • CH3COOCOCH3

  • CH3COOCOCH3

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26.

Trichloroacetaldehyde, CCl3CHO reacts with chlorobenzene in presence of sulphuric acid and produces

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27.

H2COH. CH2OH on heating with periodic acid gives

  • 2CO2

  • 2HCOOH

  • bold CHO
bold vertical line
bold CHO
  • bold CHO
bold vertical line
bold CHO
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28.

Propionic acid with Br2-P yields a dibromo product. Its structure would be

  • CH2Br - CHBr -COOH

  • CH2-Br-CH2-COBr

  • CH2-Br-CH2-COBr

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29.

Acetophenone when reacted with a base, C2H5ONa, yields a stable compound which has the structure

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30.

The relative reactivities of acyl compounds towards of nucleophilic substitution are in the order of 

  • Acyl chloride> Acid anhydride> Ester> Amide

  • Ester > Acyl chloride> Amide > Acid anhydride

  • Acid anhydride > Amide > Ester> Acyl chloride

  • Acyl chloride > Ester > Acid anhydride > Amide

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