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

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प्रश्न

Assertion: Ethanol is a weaker acid than phenol.

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

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 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.

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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 68 | पृष्ठ १६४

संबंधित प्रश्न

How do you convert the following:

Ethanol to Propan-2-ol


Write the mechanism of the following reaction : 

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


Among the following the one which reacts most readily with ethanol is:


Methanol and ethanol are miscible in water due to ____________.


Which of the following is correct?


Phenol can be distinguished from ethanol by the reactions with:

(i) \[\ce{Br2/water}\]

(ii) \[\ce{Na}\]

(iii) Neutral \[\ce{FeCl3}\]

(iv) All the above


Write the IUPAC name of the following compound.

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


What is denatured alcohol?


Arrange the following compounds in increasing order of acidity and give a suitable explanation.

Phenol, o-nitrophenol, o-cresol


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


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

  Column I Column II
(i) Methanol (a) Conversion of phenol to o-hydroxysalicylic acid
(ii) Kolbe’s reaction (b) Ethyl alcohol
(iii) Williamson’s synthesis (c) Conversion of phenol to salicylaldehyde
(iv) Conversion of 2° alcohol to ketone (d) Wood spirit
(v) Reimer-Tiemann reaction (e) Heated copper at 573 K
(vi) Fermentation (f) Reaction of alkyl halide with sodium alkoxide

Convert the following: 

Propanenitrile to ethanol.


Which reagent can convert acetic acid into ethanol?


Alcoholic fermentation is brought about by the action of


Which of the following is known as wood spirit?


Convert the following Ethanal to ethanol.


How methanol is obtained from methanal.


Give IUPAC names of the following compounds:

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


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