मराठी
कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

Assertion: Ethanol is a weaker acid than phenol. Reason: Sodium ethoxide may be prepared by the reaction of ethanol with aqueous NaOH.

Advertisements
Advertisements

प्रश्न

Assertion: Ethanol is a weaker acid than phenol.

Reason: Sodium ethoxide may be prepared by the reaction of ethanol with aqueous \[\ce{NaOH}\].

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 correct statement but reason is wrong statement.

Explanation:

Phenol is stronger acid than ethanol as phenoxide ion is stabilized by resonance whereas no such stabilization occurs in ethoxide ion. Sodium ethoxide can be prepared by reaction of ethanol with sodium.

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 Exemplar [English] Class 12
पाठ 11 Alcohols, Phenols and Ethers
Multiple Choice Questions (Type - I) | Q 68 | पृष्ठ १६४

संबंधित प्रश्‍न

Write the mechanism of the following reaction : 

\[\ce{C2H5OH->[H2SO4][443K]CH2=CH2 + H2O}\]


Give simple chemical test to distinguish between Ethanol and Phenol.


Methanol and ethanol are miscible in water due to ____________.


Wood spirit is known as acetone:


Phenol is less acidic than ______.


Write the IUPAC name of the following compound.

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


Out of 2-chloroethanol and ethanol which is more acidic and why?


Suggest a reagent for conversion of ethanol to ethanoic acid.


Name the enzymes and write the reactions involved in the preparation of ethanol from sucrose by fermentation.


Dipole moment of phenol is smaller than that of methanol. Why?


The carbon-oxygen bond in phenol is slightly stronger than that in methanol. Why?


Arrange water, ethanol and phenol in increasing order of acidity and give reason for your answer.


Match the items of column I with items of column II.

  Column I Column II
(i) Antifreeze used in car engine (a) Neutral ferric chloride
(ii) Solvent used in perfumes (b) Glycerol
(iii) Starting material for picric acid (c) Methanol
(iv) Wood spirit (d) Phenol
(v) Reagent used for detection of phenolic group (e) Ethleneglycol
(vi) By product of soap industry used in cosmetics (f) Ethanol

Which reagent can convert acetic acid into ethanol?


Write chemical reactions of following reagents on methoxyethane:

dilute H2SO4


If the starting material is 1-methyl-1,2-epoxy cyclopentane, of absolute configuration, decide which one compound correctly represents the product of its reaction with sodium methoxide in methanol.


Convert the following Ethanal to ethanol.


How methanol is obtained from methanal.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×