Advertisements
Advertisements
Question
Suggest a reagent for the following conversion.
Advertisements
Solution
Pyridinium chlorochromate (PCC), a complex of chromium trioxide with pyridine and HCl.
\[\ce{CH3 - CH = CH - CH2OH ->[PCC] CH3 - CH = CH - CHO}\]
APPEARS IN
RELATED QUESTIONS
Give reasons for the following:
o-nitrophenol is more acidic than o-methoxyphenol.
Show how will you synthesize pentan-1-ol using a suitable alkyl halide.
Give the equation of the following reaction:
Oxidation of propan-1-ol with alkaline KMnO4 solution.
Write the mechanism of acid-catalysed dehydration of ethanol to yield ethene.
Lucas reagent is ____________.
The compound which reacts fastest with Lucas reagent at room temperature is:
Dehydration of 2-butanol yields:
Which one of the following on oxidation gives a ketone?
The compound which gives the most stable carbonium ion on dehydration is:
Cyclohexene is best prepared from cyclohexanol by which of the following:
The process of converting alkyl halides into alcohols involves ______.
Ethers can be prepared by Williamson synthesis in which an alkyl halide is reacted with sodium alkoxide. Di-tert-butyl ether can’t be prepared by this method. Explain.
Why is the C – O – H bond angle in alcohols slightly less than the tetrahedral angle whereas the C – O – C bond angle in ether is slightly greater?
Assertion: Bond angle in ethers is slightly less than the tetrahedral angle.
Reason: There is a repulsion between the two bulky (–R) groups.
What happens when (CH3)3 C – OH is heated with Cu/573 K?
Write the chemical equation in support of your answer.
Which of the following observation is shown by 2-phenyl ethanol with Lucas Reagent?
Write the mechanism of acid dehydration of ethanol to yield ethene.
Write the mechanism of acid dehydration of ethanol to yield ethene.
Write the mechanism of acid dehydration of ethanol to yield ethene.
Write the mechanism of acid-catalysed dehydration of ethanol to yield ethene.
