मराठी
कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 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. - Chemistry

Advertisements
Advertisements

प्रश्न

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.

पर्याय

  • 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

उत्तर

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
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 11: Alcohols, Phenols and Ethers - Multiple Choice Questions (Type - I) [पृष्ठ १६४]

APPEARS IN

एनसीईआरटी एक्झांप्लर Chemistry [English] Class 12
पाठ 11 Alcohols, Phenols and Ethers
Multiple Choice Questions (Type - I) | Q 70 | पृष्ठ १६४

संबंधित प्रश्‍न

Name the following compound according to IUPAC system.

\[\begin{array}{cc}
\ce{H2C = CH - CH - CH2 - CH2 - CH3}\\
|\phantom{..........}\\
\ce{OH}\phantom{........}
\end{array}\]


Write IUPAC name of the following compound:

C6H5 – O – C2H5


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


What is the action of hot HI on it?


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


Write the IUPAC name of the following compound: 


What.will be the product fonned when chlorobenzene is heated with sodium metal in the presence of dry ether?


Propanoic acid to ethylamine.


Write structural formula for pentane-1,4-diol.


In a carbinol system of nomenclature tert.butyl alcohol is named as _______________


Cresol has ____________.


IUPAC name of m-cresol is ____________.


IUPAC name of the compound is:

\[\begin{array}{cc}
\ce{CH3-CH-OCH3}\\
|\phantom{....}\\
\ce{CH3}\phantom{..}
\end{array}\]


IUPAC name of m-cresol 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

Write the IUPAC name of the following compound.


How are the following conversions carried out?

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


Draw structure of the following compound.

Prop-2-en-1-ol


The IUPAC name of is ______.


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×