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:

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


Write IUPAC name of the following compound:


Give the IUPAC name of the following ether:

O2N – C6H4 – OCH3(p)


Give the IUPAC name of the following ether:

CH3CH2CH2OCH3


What is the action of hot HI on it?


How is phenol converted into the following?

benzoquinone


Write IUPAC name of the following compound (CH3)2 N − CH2CH3


How do you convert the Ethanal to Propanone


Write structural formulae for 3-Methoxyhexane


Write structural formulae for 1-Ethylcyclohexanol.


Write IUPAC name of the following


Ethyl alcohol is industrially prepared from ethylene by:


Which of the following compounds is oxidised to prepare methyl ethyl ketone?


The IUPAC name of the ether CH2 = CH–CH2OCH3 is:


Match the structures of the compounds given in Column I with the name of the compounds given in Column II.

  Column I Column II
(i) (a) Hydroquinone
(ii) (b) Phenetole
(iii) (c) Catechol
(iv) (d) o-Cresol
(v) (e) guinone
(vi) (f) Resorcinol
    (g) Anisole

Match the starting materials given in Column I with the products formed by these (Column II) in the reaction with HI.

  Column I   Column II
(i) CH3—O—CH3 (a)
(ii) \[\begin{array}{cc}
\ce{CH3}\phantom{..................}\\
\backslash\phantom{.............}\\
\ce{CH-O-CH3}\\
/\phantom{..............}\\
\ce{CH3}\phantom{..................}
\end{array}\]
(b) \[\begin{array}{cc}
\ce{CH3}\phantom{....}\\
|\phantom{.......}\\
\ce{CH3-C-I + CH3OH}\\
|\phantom{.......}\\
\ce{CH3}\phantom{....}
\end{array}\]
(iii) \[\begin{array}{cc}
\ce{CH3}\phantom{.}\\
|\phantom{....}\\
\ce{H3C-C-O-CH3}\\
|\phantom{....}\\
\ce{CH3}\phantom{..}
\end{array}\]
(c)
(iv) (d) CH3—OH + CH3—I
    (e) \[\begin{array}{cc}
\ce{CH3}\phantom{.....................}\\
\backslash\phantom{.................}\\
\ce{CH-OH + CH3I}\\
/\phantom{.................}\\
\ce{CH3}\phantom{.....................}
\end{array}\]
    (f) \[\begin{array}{cc}
\ce{CH3}\phantom{.....................}\\
\backslash\phantom{.................}\\
\ce{CH-I + CH3OH}\\
/\phantom{.................}\\
\ce{CH3}\phantom{.....................}
\end{array}\]
    (g) \[\begin{array}{cc}
\ce{CH3}\phantom{....}\\
|\phantom{.......}\\
\ce{CH3-C-OH + CH3I}\\
|\phantom{.......}\\
\ce{CH3}\phantom{....}
\end{array}\]

Write a chemical reaction for the following conversion:

Acetic acid into ethyl alcohol.


Identify A and B in the following:


How are the following conversions carried out?

Methyl magnesium bromide→2-Methylpropan-2-ol.


Write the IUPAC name.

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


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×