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प्रश्न
Write the reaction to get aspirin from salicylic acid.
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उत्तर
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संबंधित प्रश्न
Answer in brief.
Explain why p-nitrophenol is a stronger acid than phenol.
Answer in brief.
Give the equations of the reactions for the preparation of phenol from isopropyl benezene.
An ether (A), C5H12O, when heated with excess of hot HI produce two alkyl halides which on hydrolysis form compound (B) and (C), oxidation of (B) gave and acid (D), whereas oxidation of (C) gave a ketone (E). Deduce the structural formula of (A), (B), (C), (D), and (E).
Reaction between Grignard reagent and aldehyde other than formaldehyde leads to formation of _______________
Write chemical equation of acetyl chloride with phenol
How will you bring about the following conversions?
acetone to 2-methylpropan-2-ol
Phenol reacts with concentrated nitric acid in the presence of cone. H2SO4 to form ____________.
Number of oxygen atoms present in salicylaldehyde are ______.
\[\ce{C3H8O ->[KMnO4][(Oxidation)] C3H6O2}\]
The compound C3H8O is a/an ____________.
____________ is used for silvering mirrors.
Bromination of phenol, will NOT give:
Isobutylene on hydroboration followed by oxidation with hydrogen peroxide in presence of base yields ______.
The number of isomeric alcohols possible with the formula C4H10O is ____________.
What is the product of the following reaction?
\[\ce{CH3 - CH2 - CH2 - OH ->[conc. H2SO4][\Delta]}\]
Identify 'A' and 'B' in the following series of reactions.
The product 'C' in the following reaction is:
\[\ce{CH3CH2Br ->[alc. KCN] {'A'} ->[H3O^+][\Delta] {'B'} ->[i. LiAlH4][ii. H3O^+] {'C'}}\]
Which isomer of C4H10O is optically active?
Which of the following alcohols is least soluble in water?
Identify the product obtained when phenol is treated with bromine water?
Identify the compound having highest boiling point from the following?
Which of the following compounds has lowest boiling point?
The product C in the following reaction is
The order of reactivity of hydrogen halides with ether is as follows.
What is the action of nitrous acid on aniline?
Arrange the following compounds in an increasing order of their solubility in water:
Write the product when 1°, 2° and 3° alcohol vapours are passed over hot copper.
Propene can be converted into propan-1-ol by:
