The product obtained ,heating ethanol with conc. H2SO4 at 16

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 Multiple Choice QuestionsMultiple Choice Questions

421.

Lucas reagent reacts fastest with :

  • butanol - 1

  • butanol - 2

  • 2 - methyl - propanol - 2

  • 2 - methyl - propanol - 1


422.

Phenol and benzoic acid may be distinguished by :

  • NaHCO3

  • NaOH

  • Na

  • PCl5


423.

Which of the following will not react with NaOH ?

  • C2H5OH

  • CH3CONH2

  • CH(CN)3


424.

Which of the following alcohol is used as beverage ?

  • Propanol

  • 2 - butanol

  • Methanol

  • Ethanol


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425.

lsopropyl benzene on air oxidation in the presence of dilute acid gives

  • C6H5COOH

  • C6H5COCH3

  • C6H5CHO

  • C6H5OH.


426.

The major product formed in the following reaction is

CH2CH(Cl)CH2-CH2OH aq. KOH

  • CH3CH = CH- CH2OH

  • CH2=CH- CH2- CH2OH

  • CH3-CH|OH-CH2-CH2OH


427.

Phenol , in Liebermann's nitroso test , give the colour :

  • red

  • yellow

  • blue

  • pink


428.

What will be the product ,when carboxy phenol ,obtained by Reimer Tiemann's process ,is deoxidised with Zn powder ?


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429.

The product obtained ,heating ethanol with conc. H2SO4 at 165° - 170°C is :

  • (C2H5)2SO4

  • CH2=CH2

  • CH2F-CH2F

  • CF2=CFCl


B.

CH2=CH2

Ethyl alcohol , on heating at 165° - 170°C with conc. H2SO4 , gives ethylene .

C2H5OH 170°Cconc. H2SO4 CH2=CH2ethylene + H2O


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430.

The structural formula of picric acid is :


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