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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?

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

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एनसीईआरटी एक्झांप्लर Chemistry Exemplar [English] Class 12
अध्याय 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.


If ethanol dissolves in water, then which of the following would be observed:


Which of the following is correct?


Wood spirit is known as acetone:


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


What is denatured alcohol?


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


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?


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

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


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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