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प्रश्न
Give two reactions that show the acidic nature of phenol.
उत्तर
The reactions showing the acidic nature of phenol are as follows:
- Reaction with sodium: Phenol reacts with active metals such as sodium to liberate hydrogen.
- Reaction with NaOH: Phenol dissolves in NaOH to form sodium phenoxide and water.
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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 ____________.
Acidity of phenol is due to ____________.
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 ____________.
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?
Give the structure of the product you would expect when the following alcohol reacts with HCl–ZnCl2.
2-Methylbutan-2-ol
