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प्रश्न
Out of o-nitrophenol and o-cresol which is more acidic?
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उत्तर
There is an electron-withdrawing group NO2 that is present in the ortho position in ortho-nitrophenol which enhances the acidic strength and makes more acidic. In o-cresol there is an electron releasing group, they decrease acidic strength.
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संबंधित प्रश्न
Give the structure of the product you would expect when the following alcohol reacts with HCl–ZnCl2.
Butan-1-ol
Account for the following:
o-nitrophenol is more steam volatile than p-nitrophenol.
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
In CH3CH2OH, the bond that undergoes heterolytical change most readily is ____________.
Phenol reacts with Br2 in CS2 at low temperature to give ____________.
Arrange the following in decreasing order of acidic character:
Which of the following statements is true:
Mark the correct order of decreasing acid strength of the following compounds.
| (a) |  |
| (b) |  |
| (c) |  |
| (d) |  |
| (e) |  |
Assertion: o-Nitrophenol is less soluble in water than the m- and p-isomers.
Reason: m- and p- Nitrophenols exist as associated molecules.
Which is the final product ‘A’ (major) in the given reaction?
In the following compounds:
 |
 |
 |
 |
| (I) | (II) | (III) | (IV) |
The order to acidity is ______.
Which one of the following has the lowest pKa value?
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.
2-Methylbutan-2-ol
Give the structure of the product you would expect when the following alcohol reacts with SOCl2.
Butan-1-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.
