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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 phenol is more acidic than ethyl alcohol.
Answer in brief.
Give a simple chemical test to distinguish between ethanol and ethyl bromide.
Draw intramolecular hydrogen bonding structure in o-nitrophenol.
What is the action of following reagents on pent-3-enal?
- H2/Ni
- LiAlH4/H3O+
Name the reagents used to convert phenol into
- picric acid
- p-benzoquinone
Write chemical equation of acetyl chloride with phenol
____________ is used for silvering mirrors.
Which of the following reagents are required in the conversion of phenol to salicylic acid?
Which of the following compounds does not react with bromine in alkaline medium?
Phenol is ____________.
Propane when treated with cold cone. H2SO4 forms a compound which on heating with water gives ______.
Cumene is used in the commercial method for the manufacture of ____________.
\[\ce{CH3 - CH = CH2 ->[HBr][Peroxide] A}\]
Identify A.
+I effect of alkyl groups in alcohols increases the stability of ____________.
Which of the following reagents is used to convert phenol to benzene?
The number of moles of hydrogen gas formed when 2 moles of 2-methylpropan-2-ol reacts with aluminium is ____________.
Which isomer of C4H10O is optically active?
The number of σ bonds in carbolic acid is ______.
Which among the following is allylic secondary alcohol?
Identify 'Z' in the following series of reaction:
\[\ce{Butan - 2 - ol ->[PCl3] X ->[alco. KOH] Y ->[i) H2SO4][ii) H-OH/heat] Z}\]
Identify product B in the following conversion?
\[\ce{Phenol ->[NaOH] A ->[CH3I] B}\]
The acid, which contains both -OH and -COOR groups is ______.
What is the product obtained in Reimer - Tiemann reaction?
What is the action of nitrous acid on aniline?
Write the chemical reaction when hot copper is treated with Vapours of 1° (primary) alcohol.
Convert the following :
cumene to phenol.
Propene can be converted into propan-1-ol by:
What is the commercial method of preparation of phenol?
