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प्रश्न
While separating a mixture of ortho and para nitrophenols by steam distillation, name the isomer which will be steam volatile. Give reason.
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उत्तर
The ortho and para isomers can be separated by steam distillation. o-Nitrophenol is steam volatile due to intramolecular hydrogen bonding, while p-nitrophenol is less volatile due to intermolecular hydrogen bonding, which causes the association of molecules.
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संबंधित प्रश्न
Write the main product(s) in each of the following reactions:
Write the equation involved in the following reaction:
Reimer-Tiemann reaction
Name the reagent used in the following reaction:
Bromination of phenol to 2, 4, 6-tribromophenol.
Explain the following with an example.
Kolbe’s reaction.
When phenol is treated with excess bromine water, it gives:
On distilling phenol with Zn dust, one gets:
In the reaction of phenol with CHCl3 and aqueous NaOH at 343 K, the electrophile attacking the ring is:
When Phenol is distilled with zinc dust, it gives:
Phenol does not undergo nucleophilic substitution reaction easily due to ______.
Which of the following compounds is aromatic alcohol?
| (A) |  |
| (B) |  |
| (C) |  |
| (D) |  |
Out of o-nitrophenol and p-nitrophenol, which is more volatile? Explain.
Which of the following is not aromatic?
Write the equations for the following reaction:
Phenol is treated with chloroform in the presence of NaOH
Why ortho-nitrophenol is steam volatile while para-nitrophenol is not?
Write the chemical equation involved in the following reactions:
Acetylation of salicylic add
For the pair phenol and cyclohexanol, answer the following:
Give one chemical test to distinguish between the two.
How can phenol be prepared from anisole? Give reaction.
Convert the following by giving a chemical equation:
Phenol to salicylaldehyde.
