Williamson's synthesis is used to prepare : from Chemistry Alcoh

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 Multiple Choice QuestionsMultiple Choice Questions

371.

Ethanol shows intermolecular H-bonding .Which of the following property is affected by H-bonding ?

  • Volatility

  • Boiling point

  • Solubility

  • All of these


372.

How many α-hydrogens are diethyl ether ?

  • 10

  • 6

  • 4

  • 2


373.

Which is the major product formed when C6H5CONHC6H5 undergoes nitration?


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374.

Williamson's synthesis is used to prepare :

  • bakelite

  • PVC

  • acetone

  • diethyl ether


D.

diethyl ether

When sodium ethoxide react with ethyl bromide , it gives diethyl ether .

CH3CH2O sodium ethoxide Na + Br CH2CH3ethyl bromide  CH3CH2OCH2CH3

This reaction is known as Williamson's synthesis .


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375.


376.


377.

Salicylic acid can be easily prepared by reaction between

  • phenol and CO2

  • benzoic acid and H2O2

  • benzene diazonium chloride and CO2

  • phenol and formic acid.


378.

Reaction of aniline with HNO2 followed by treatment of dilute acid gives

  • C6H5NHOH

  • C6H5OH

  • C6H5NHNH2

  • C6H6


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379.

A compound containing two -OH groups attached with one carbon atom is unstable but which one of the following is stable?

  • CH3CH(OH)2

  • CH3-C(OH)3

  • Cl3CCH(OH)2

  • None of these


380.

Assertion : Acetamide on reaction with KOH and bromine gives acetic acid.

Reason : Bromine catalyses hydrolysis of acetamide.

  • If both assertion and reason are true and reason is the correct explanation of assertion.

  • If both assertion and reason are true but reason is not the correct explanation of assertion.

  • If assertion is true but reason is false.

  • If both assertion and reason are false.


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