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प्रश्न
How are the following compounds prepared?
acetophenone from benzene
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उत्तर
(b)Acetophenone from benzene
Friedal craft reaction
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संबंधित प्रश्न
How are the following compounds prepared?
benzaldehyde from benzene
Draw the structure of the semicarbazone of ethanal.
Write the structures of the main products when acetone (CH3 − CO − CH3) reacts with the following reagent :
H2N − NHCONH2/H+
Write the products formed when CH3CHO reacts with the following reagents : H2N – OH
What is meant by the following term? Give an example of the reaction in the following case.
Acetal
Predict the products formed when cyclohexanecarbaldehyde reacts with the following reagents.
PhMgBr and then H3O+
Complete the synthesis by giving missing starting material, reagent or product.
Explain the mechanism of alkaline hydrolysis of tert-butyl bromide with energy profile diagram.
How are the following compounds prepared?
benzaldehyde from benzoyl chloride
Write balanced chemical equations for action of ammonia on - acetaldehyde
Write balanced chemical equations for action of ammonia on - acetone
Write the main product formed when propanal reacts with the following reagents:
2 moles of 3 CH OH in presence of dry HCl
Write the main product formed when propanal reacts with the following reagents:
H2N- NH2 followed by heating with KOH in ethylene glycol.
Which of the following compounds is most reactive towards nucleophilic addition reactions?
Which of the following is the correct representation for intermediate of nucleophilic addition reaction to the given carbonyl compound (A):
(i) 
(ii) 
(iii) 
(iv) 
Write a test to differentiate between pentan-2-one and pentan-3-one.
Reaction of aqueous sodium hydroxide on chlorobenzene gives which of the following products?
Which of the following has the most acidic hydrogen?
Grignard reagent on reaction with acetone forms.
Which among the following is most reactive to give nucleophilic addition?
What happens when propanone is treated with CH3MgBr and then hydrolysed?
Draw structures of the given derivatives.
The ethylene ketal of hexan-3-one
Draw structure of the following derivative.
The ethylene ketal of hexane-3-one
Why dissociation of HCN is suppressed by the addition of HCL?
Draw the structure of the following derivative.
Acetaldehydedimethylacetal
Draw structure of the following derivative.
The ethylene ketal of hexan-3-one
Draw the structure of the following derivative.
Acetaldehydedimethylacetal
Draw the structure of the given derivative.
The ethylene ketal of hexan-3-one
Give an example of the reaction in the following case.
Imine
