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Assertion: Like bromination of benzene, bromination of phenol is also carried out in the presence of Lewis acid. Reason: Lewis acid polarises the bromine molecule. - Chemistry

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प्रश्न

Assertion: Like bromination of benzene, bromination of phenol is also carried out in the presence of Lewis acid.

Reason: Lewis acid polarises the bromine molecule.

विकल्प

  • Assertion and reason both are correct and reason is correct explanation of assertion.

  • Assertion and reason both are wrong statements.

  • Assertion is correct statement but reason is wrong statement.

  • Assertion is wrong statement but reason is correct statement.

  • Both assertion and reason are correct statements but reason is not correct explanation of assertion.

MCQ
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उत्तर

Assertion is wrong statement but reason is correct statement.

Explanation:

Bromination of phenol cannot be carried out in presence of Lewis acid.

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अध्याय 11: Alcohols, Phenols and Ethers - Multiple Choice Questions (Type - I) [पृष्ठ १६४]

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एनसीईआरटी एक्झांप्लर Chemistry [English] Class 12
अध्याय 11 Alcohols, Phenols and Ethers
Multiple Choice Questions (Type - I) | Q 66 | पृष्ठ १६४

संबंधित प्रश्न

What is metamerism? 


Write the IUPAC name of the given compound:


Write IUPAC name of the following compound:

\[\begin{array}{cc}
\ce{H3C - CH - CH2 - CH - CH - CH2 - CH3}\\
\phantom{}|\phantom{.............}|\phantom{......}|\phantom{.........}\\
\phantom{}\ce{OH}\phantom{..........}\ce{OH}\phantom{...}\ce{C2H5}\phantom{......}
\end{array}\]


  1. Draw the structures of all isomeric alcohols of molecular formula C5H12O and give their IUPAC names.
  2. Classify the isomers of alcohols in the above question as primary, secondary and tertiary alcohols.

Which of the following compounds is NOT prepared by the action of alcoholic NI3 on alkyl halide?

(a) CH3NH2

(b) CH3- CH2- NH2

(c) CH3 - CH2 - CH2 - NH2

(d) (CH3)C- NH2


Write the structure and IUPAC name of 'methyl-n-propyl ether'.


What is the action of hot HI on it?


How is phenol converted into the following?

Benzene


How is phenol converted into the following?

benzoquinone


Give reasons Fluoride ion has higher hydration enthalpy than chloride ion.


How do you convert the Ethanal to Propanone


Write IUPAC names of the following


Glycerol is ____________.


The compound HOCH2 – CH2OH is __________.


n-Propyl alcohol and isopropyl alcohol can be chemically distinguished by which reagent?


\[\ce{Phenol ->[Zn, dust] 'X' ->[CH3Cl][Anhy. AlCl3] 'Y' ->[Alkaline][KMnO4] 'Z'}\]

The product ‘Z’ is:


Arrange the following compounds in decreasing order of acidity.

\[\ce{H2O, ROH, HC ≡ CH}\]


Write steps to carry out the conversion of phenol to aspirin.


Write complete reaction for the bromination of phenol in aqueous and non-aqueous medium.


Write the IUPAC name of the following compound:

\[\begin{array}{cc}
\phantom{..............}\ce{CH3}\\
\phantom{............}|\\
\ce{CH3 - CH - CH - C - CH3}\\
|\phantom{.....}|\phantom{......}|\\
\phantom{...}\ce{CH3}\phantom{.}\ce{OH}\phantom{...}\ce{CH3}
\end{array}\]


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