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 Multiple Choice QuestionsMultiple Choice Questions

31.

The compound that would produce a nauseating smell/ odour with a hot mixture of chloroform and ethanolic potassium hydroxide is

  • PhCONH2

  • PhNHCH3

  • PhNH2

  • PhOH


32.

Reduction of the lactol S  OH with sodium borohydride gives


33.

The product of the above reaction is


34.

The product of the above reaction is


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35.

In the reaction, the product P is

RMgBr + HC(OEt)3 Ether, H3O+ P

  • RCHO

  • R2CHOEt

  • R3CH

  • RCH(OEt)2


36.

The correct statement regarding the following compounds is

    

  • all three compounds are chiral

  • only I and II are chiral

  • I and III are diastereomers

  • only I and III are chiral


37.

When phenol is treated with D2SO4 /D2O, some of the hydrogens get exchanged.The final product in this exchange reaction is


38.

The correct order of acid strength of the following substituted phenols in water at 28°C is

  • p-nitrophenol < p-fluorophenol < p-chlorophenol

  • p-chlorophenol < p-fluorophenol < p-nitrophenol

  • p-fluorophenol < p-chlorophenol < p-nitrophenol

  • p-flurophenol < p-nitrophenol < p-chlorophenol


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39.

Bromination of PhCOMe in acetic medium produces mainly


40.

Correct statement(s) in cases of n-butanol and t-butanol is (are)

  • both are having equal solubility in water

  • t-butanol is more soluble in water than n-butanol

  • boiling point of t-butanol is lower than n-butanol

  • boiling point of n-butanol is lower than t-butanol


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