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प्रश्न
Write the mechanism (using curved arrow notation) of the following reaction :
उत्तर
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संबंधित प्रश्न
Give reasons for the following:
o-nitrophenol is more acidic than o-methoxyphenol.
Give the equation of the following reaction:
Treating phenol with chloroform in the presence of aqueous NaOH.
In the reduction \[\ce{R - CHO + H2 -> RCH2OH}\] the catalyst used is:
Which of the following are used to convert RCHO into RCH2OH?
(i) H2/Pd
(ii) LiAlH4
(iii) NaBH4
(iv) Reaction with RMgX followed by hydrolysis
The compound which gives the most stable carbonium ion on dehydration is:
Name the factors responsible for the solubility of alcohols in water.
Alcohols react with active metals e.g. Na, K etc. to give corresponding alkoxides. Write down the decreasing order of reactivity of sodium metal towards primary, secondary and tertiary alcohols.
Explain why nucleophilic substitution reactions are not very common in phenols.
What happens when (CH3)3 C – OH is heated with Cu/573 K?
Write the chemical equation in support of your answer.
Write the mechanism of acid dehydration of ethanol to yield ethene.
