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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 one sentence/ word.
Hydroboration-oxidation of propene gives _________.
Answer in brief.
Explain why phenol is more acidic than ethyl alcohol.
Answer in brief.
Give the equations of the reactions for the preparation of phenol from isopropyl benezene.
Oxidation of ethyl alcohol using K2Cr2O7/dil H2SO4 leads to formation of _______________
With the help of chemical equations show what happens when cumene hydroperoxide is treated with dil. acid.
What is the action of following on phenol at low temperature?
- dil. HNO3
- conc. H2SO4
- Br2/CS2
Which alcohol is difficult to oxidise?
In phenols, −OH group is attached to ___________ hybridised carbon.
α-butylene when subjected to hydroboration oxidation reaction, yields ______.
Bromination of phenol, will NOT give:
Propane when treated with cold cone. H2SO4 forms a compound which on heating with water gives ______.
The number of isomeric alcohols possible with the formula C4H10O is ____________.
In Dow process, chlorobenzene is converted into phenol by ____________.
+I effect of alkyl groups in alcohols increases the stability of ____________.
____________ will NOT undergo acetylation.
(I)
(II) \[\ce{P + Zn ->[\Delta] Q}\]
(III) \[\ce{P ->[Na2Cr2O7][H2SO4] R}\]
Q and R are respectively:
Which of the following conversion explains the acidic nature of alcohols?
Which following reagent is used to obtain alkene from alcohol?
Identify the product obtained when phenol is treated with bromine water?
Ethyl alcohol can be prepared from a Grignard reagent by the reaction of ______.
The acid, which contains both -OH and -COOR groups is ______.
Which among the following is not the method of preparation of phenol?
Which of the following compounds reacts immediately with Lucas reagent?
Write the chemical reaction when hot copper is treated with Vapours of 1° (primary) alcohol.
Write the chemical reaction when hot copper is treated with Vapours of 2° (secondary) alcohol.
Convert the following :
cumene to phenol.
Arrange the following compounds in order of decreasing acidity:
The C−O−C angle in ether is about ______.
What is the name of isopropyl alcohol according to the carbinol system?
Which of the following is primary benzylic alcohol?
