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प्रश्न
Addition of sodium bisulphite to ethanol is ____________ type of reaction.
पर्याय
electrophilic addition
electrophilic substitution
nucleophilic addition
nucleophilic substitution
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उत्तर
Addition of sodium bisulphite to ethanol is nucleophilic addition type of reaction.
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संबंधित प्रश्न
Answer in brief.
What is the action of hydrazine on cyclopentanone in presence of KOH in ethylene glycol?
_____________ reaction is used to synthesize straight alkyl substituted benzenes.
The following compounds will give positive Fehling’s test.
If acetaldehyde is treated with Fehling's solution, the change that occurs in the system is ____________.
Compounds of general formula, are called ____________.
\[\begin{array}{cc} \phantom{...}\ce{R}\phantom{....}\ce{OR''}\phantom{}\\ \phantom{}\backslash\phantom{..}/\\ \ce{C}\\ \phantom{}/\phantom{..}\backslash\\ \phantom{...}\ce{R'}\phantom{...}\ce{OR''}\phantom{} \end{array}\]
Compounds of general formula, are called ____________.
\[\begin{array}{cc} \phantom{...}\ce{R}\phantom{....}\ce{OR'}\phantom{}\\ \phantom{}\backslash\phantom{..}/\\ \ce{C}\\ \phantom{}/\phantom{..}\backslash\\ \phantom{...}\ce{H}\phantom{....}\ce{OR'}\phantom{} \end{array}\]
Following reaction is an example of ____________.
\[\ce{Benzaldehyde ->[Nitration] {m}-Nitrobenzaldehyde}\]
The first oxidation product of secondary alcohols is ____________.
Which of the following is a Wolf - Kishner reduction?
Which among the following compounds does NOT undergo aldol condensation?
Which of the following reagents is used for the following conversion?
\[\ce{CH3 - CH = CH - CHO -> CH3 - CH = CH - CH2OH}\]
The formation of cyanohydrin from acetone is an example of ____________.
\[\ce{CH3Br ->[KNC] (A) ->[H3O^+] (B) ->[PCl5] (C)}\] product (C) is:
Assertion: p-N, N-dimethyl amino benzaldehyde undergoes benzoin condensation
Reason: The aldehydic (−CHO) group is meta directing.
Phenyl methanal is reacted with concentrated NaOH to give two products X and Y. X reacts with metallic sodium to liberate hydrogen X and Y are ____________.
Identify A, B and C.
How will you convert benzaldehyde into the following compound?
Benzophenone
How is the following conversion effected propanal into butanone?
Identify A, B and C.
How will you prepare cinnamic acid from benzaldehyde?
Which of the following compounds will undergo self-aldol condensation in the presence of cold dilute alkali?
In the above reaction, product (B) is:
Aldehydes are readily oxidised to yield carboxylic acids but ketones are inert to oxidation. Which is the most likely explanation regarding this difference in reactivity?
Write the structure of the products obtained from the following ketones by action of hydrazine in presence of a slightly acidic medium.
Write the structure of the products obtained from the following ketones by action of hydrazine in presence of strong base KOH.
How will you prepare Acetic anhydride from acetic acid.
Write the structure of the major product of the aldol condensation of benzaldehyde with acetone.
