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 Multiple Choice QuestionsMultiple Choice Questions

131.

PCl X alc. KOH Y conc. H2SO4 Z

Here Z is :

  • CH3-CH2-CH2-OH

  • (CH3)2-C-OH

  • CH3-CH(OH)-CH3

  • none of above


132.

Compound reacting with alkaline KMnO4 :

  • (CH3)3-C-OH

  • (CH3)2-CH-OH

  • (CH3)3-C-CH2OH

  • none of the above


133.

Lucas reagent reacts fastest with :

  • butanol - 1

  • butanol - 2

  • 2 - methyl - propanol - 2

  • 2 - methyl - propanol - 1


134.

Phenol and benzoic acid may be distinguished by :

  • NaHCO3

  • NaOH

  • Na

  • PCl5


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135.

Which of the following will not react with NaOH ?

  • C2H5OH

  • CH3CONH2

  • CH(CN)3


136.

Which of the following alcohol is used as beverage ?

  • Propanol

  • 2 - butanol

  • Methanol

  • Ethanol


137.

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

  • C6H5COOH

  • C6H5COCH3

  • C6H5CHO

  • C6H5OH.


138.

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


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139.

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

  • red

  • yellow

  • blue

  • pink


C.

blue

Phenol gives Liebermann's nitroso test to give deep blue colour due to the formation of sodium salt of indophenol .

Phenol conc. H2SO4NaNO2 Blue HOH Red NaOH 


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140.

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


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