Advertisements
Advertisements
प्रश्न
Assertion: Ethanol is a weaker acid than phenol.
Reason: Sodium ethoxide may be prepared by the reaction of ethanol with aqueous \[\ce{NaOH}\].
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.
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.
APPEARS IN
संबंधित प्रश्न
Write resonance structures of aniline. What is the action of benzene diazonium chloride on ethanol?
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 ____________.
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
Suggest a reagent for conversion of ethanol to ethanal.
Name the enzymes and write the reactions involved in the preparation of ethanol from sucrose by fermentation.
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) | 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?
Tonics in general contain
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:
\[\begin{array}{cc}
\ce{CH3 - CH - CH - CH - CH2-OH }\\
|\phantom{......}|\phantom{......}|\phantom{.......}\\
\ce{Cl}\phantom{....}\ce{CH3}\phantom{...}\ce{CH3}\phantom{.....}
\end{array}\]
3, 3-dimethyl-1-butene was subject to following reactions:
