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

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

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प्रश्न

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

टीपा लिहा
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उत्तर

The acidic character of alcohols is due to the polar nature of \[\ce{O - H}\] bond. 2-Chloroethanol, is more acidic due to \[\ce{-I}\] effect of chlorine atom. It increases the polarity of \[\ce{O - H}\] bond and increases the acidic strength.

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पाठ 11: Alcohols, Phenols and Ethers - Multiple Choice Questions (Type - I) [पृष्ठ १५९]

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एनसीईआरटी एक्झांप्लर Chemistry Exemplar [English] Class 12
पाठ 11 Alcohols, Phenols and Ethers
Multiple Choice Questions (Type - I) | Q 28 | पृष्ठ १५९

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 ____________.


Which of the following is correct?


Wood spirit is known as acetone:


Suggest a reagent for conversion of ethanol to ethanal.


Suggest a reagent for conversion of ethanol to ethanoic acid.


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

Phenol, o-nitrophenol, o-cresol


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


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

Assertion: Ethanol is a weaker acid than phenol.

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


Which reagent can convert acetic acid into ethanol?


Liquor poisoning is due to


Alcoholic fermentation is brought about by the action of


Write chemical reactions of following reagents on methoxyethane:

dilute H2SO4


Convert the following Ethanal to ethanol.


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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