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प्रश्न
Assertion: o-Nitrophenol is less soluble in water than the m- and p-isomers.
Reason: m- and p- Nitrophenols exist as associated molecules.
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.
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उत्तर
Both assertion and reason are correct statements but reason is not correct explanation of assertion.
Explanation:
In o-nitrophenol there is intramolecular H-bonding.
Thus, o-nitrophenol does not form H-bond with \[\ce{H2O}\] but m-nitrophenol and p-nitrophenol form H-bonds with \[\ce{H2O}\]. Also, due to intermolecular H-bonding m-nitrophenol and p-nitrophenol exist as associated molecules.
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संबंधित प्रश्न
Account for the following:
o-nitrophenol is more steam volatile than p-nitrophenol.
Phenols do not react with one of the following:
Phenol is more acidic than alcohol because ____________.
The ionization constant of phenol is higher than that of ethanol because ____________.
In the following compounds:
The order of acidity is
Which of the following compounds is most acidic?
Which one of the following compounds has the most acid nature?
Mark the correct order of decreasing acid strength of the following compounds.
| (a) |  |
| (b) |  |
| (c) |  |
| (d) |  |
| (e) |  |
Arrange the following in the increasing order of their property indicated:
4-Nitrobenzoic acid, benzoic acid, 3,4-Dinitrobenzoic acid, 4-Methoxy benzoic acid (Acid strength)
Which is the final product ‘A’ (major) in the given reaction?
In the following compounds:
 |
 |
 |
 |
| (I) | (II) | (III) | (IV) |
The order to acidity is ______.
For the pair phenol and cyclohexanol, answer the following:
Why is phenol more acidic than cyclohexanol?
Give the structure of the product you would expect when the following alcohol reacts with HBr.
Butan-1-ol
Give the structure of the product you would expect when the following alcohol reacts with HBr.
2-Methylbutan-2-ol
Give the structure of the product you would expect when the following alcohol reacts with SOCl2.
2-Methylbutan-2-ol
Compare acidity of phenol with that of ethanol.
