English
Karnataka Board PUCPUC Science 2nd PUC Class 12

Assertion: Phenols give o- and p-nitrophenol on nitration with conc. HNOX3 and HX2SOX4 mixture. Reason: –OH group in phenol is o–, p– directing.

Advertisements
Advertisements

Question

Assertion: Phenols give o- and p-nitrophenol on nitration with conc. \[\ce{HNO3}\] and \[\ce{H2SO4}\] mixture.

Reason: –OH group in phenol is o–, p– directing.

Options

  • 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
Advertisements

Solution

Assertion is wrong statement but reason is correct statement.

Explanation:

Phenols give o, p-nitrophenol on nitration with dil. \[\ce{HNO3}\] and with cone.

• \[\ce{HNO3}\], 2, 4, 6-trinitrophenol is formed.

shaalaa.com
  Is there an error in this question or solution?
Chapter 11: Alcohols, Phenols and Ethers - Multiple Choice Questions (Type - I) [Page 164]

APPEARS IN

NCERT Exemplar Chemistry Exemplar [English] Class 12
Chapter 11 Alcohols, Phenols and Ethers
Multiple Choice Questions (Type - I) | Q 70 | Page 164

RELATED QUESTIONS

Write the IUPAC name of the following compound:


Write the IUPAC name of the following compound:

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


Write the IUPAC name of the following compound:

C6H5 – O – C2H5


Write the IUPAC name of the following compound:

C6H5 – O – C7H15(n−)


Write structures of the compounds whose IUPAC names are as follows:

3-Chloromethylpentan-1-ol.


Give the IUPAC name of the following ether:

CH3OCH2CH2Cl


Give the IUPAC name of the following ether:


Natalite is a mixture of

(a) diethyl ether and methanol

(b) diethyl ether and ethanol

(c) dimethyl ether and methanol

(d) dimethyl ether and ethanol


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


Write a structural formula for methyl vinyl ether.


Write IUPAC name of the following


Write IUPAC name of the following

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


Ethyl alcohol is industrially prepared from ethylene by:


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


1-Propanol and 2-propanol can be best distinguished by:


Which of the following gives a positive iodoform test?


Arrange the following compounds in decreasing order of acidity.

\[\ce{H2O, ROH, HC ≡ CH}\]


Explain why Lewis acid is not required in bromination of phenol?


Draw structure of the following compound.

2. 5-Diethylphenol


Write IUPAC name of the following compound:

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


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×