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प्रश्न
Which of the following compounds is aromatic alcohol?
| (A) |  |
| (B) |  |
| (C) |  |
| (D) |  |
विकल्प
A, B, C, D
A, D
B, C
A
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उत्तर
B, C
Explanation:
Compound (A) i.e., phenol and compound (D) i.e., a derivative of phenol cannot be considered as aromatic alcohol. As phenol is also known as, carbolic acid cannot be considered as aromatic alcohol.
Compound (B) and (C), –OH group is bonded to sp3 hybridised carbon which in turn is bonded to benzene ring.
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संबंधित प्रश्न
Give simple chemical tests to distinguish between the following pairs of compounds: Benzoic acid and Phenol
Write the final product(s) in each of the following reactions:
Write the main products when
2, 4, 6-trinitrochlorobenzene is subjected to hydrolysis
Write the main product(s) in each of the following reactions:
Give the equation of the following reaction:
Bromine in CS2 with phenol.
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.
Write the reaction involved in the following:
Friedal-Crafts Alkylation of Phenol
When phenol is treated with excess bromine water, it gives:
When Phenol is distilled with zinc dust, it gives:
Which of the following species can act as the strongest base?
Which of the following are used to convert \[\ce{RCHO}\] into \[\ce{RCH2OH}\]?
(i) \[\ce{H2/Pd}\]
(ii) \[\ce{LiAlH4}\]
(iii) \[\ce{NaBH4}\]
(iv) Reaction with \[\ce{RMgX}\] followed by hydrolysis
Nitration is an example of aromatic electrophilic substitution and its rate depends upon the group already present in the benzene ring. Out of benzene and phenol, which one is more easily nitrated and why?
Convert the following:
Phenol to N-phenylethanamide.
Attacking species in nitration of benzene in presence of fuming HNO3 is
Which of the following reacts with phenol to give salicylaldehyde after hydrolysis?
For the pair phenol and cyclohexanol, answer the following:
Give one chemical test to distinguish between the two.
Write the name of the reaction, structure and IUPAC name of the product formed when:
Phenol reacts with CHCl3 in the presence of NaOH followed by hydrolysis.
