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प्रश्न
How are the following compounds prepared?
benzaldehyde from benzoyl chloride
उत्तर
Benzaldehyde from benzoyl chloride
Rosenmund Reduction
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संबंधित प्रश्न
Arrange the following in the increasing order of their reactivity towards nucleophilic addition reaction:
C6H5COCH3, CH3-CHO, CH3COCH3
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
Predict the product of the following reaction:
Predict the product of the following reaction:
\[\begin{array}{cc}
\phantom{..............}\ce{O}\\
\phantom{..............}||\\
\ce{R - CH = CH - CHO + NH2 - C - NH - NH2 ->[H+]}\end{array}\]
What is meant by the following term? Give an example of the reaction in the following case.
Acetal
What is meant by the following term? Give an example of the reaction in the following case.
Semicarbazone
Give plausible explanation for the following:
Cyclohexanone forms cyanohydrin in good yield but 2, 2, 6 trimethylcyclohexanone does not.
Complete the synthesis by giving missing starting material, reagent or product.
Write balanced chemical equations for action of ammonia on - acetone
Write the structure of Phenylmethanamine.
Give a simple chemical test to distinguish between
Acetone, Acetaldehyde, Benzaldehyde, Acetophenone – reactivity towards addition of HCN.
How will you convert benzoic acid to m-bromobenzoic acid?
Which of the following compounds is most reactive towards nucleophilic addition reactions?
Write a test to differentiate between pentan-2-one and pentan-3-one.
Benzaldehyde can be obtained from benzal chloride. Write reactions for obtaining benzalchloride and then benzaldehyde from it.
Reaction of aqueous sodium hydroxide on chlorobenzene gives which of the following products?
Grignard reagent on reaction with acetone forms.
What happens when ethanal is treated with excess ethanol and acid?
Draw structures of the given derivatives.
The ethylene ketal of hexan-3-one
Draw structure of the following derivative.
Acetaldehydedimethylacetal
Draw structures of the following derivative.
The ethylene ketal of hexan-3-one
The product of the following reaction is
\[\begin{array}{cc}
\ce{O}\phantom{.........}\\
||\phantom{.........}\\
\ce{C2H5 - C - CH3 ->[H2/Ni][\Delta] \phantom{..}?}\end{array}\]
Draw structure of the following derivative.
The ethylene ketal of hexan-3-one
Draw structure of the following derivative.
The ethylene ketal of hexan-3-one
Draw the structure of the given derivative.
The ethylene ketal of hexan-3-one
Give an example of the reaction in the following case.
Oxime
Give an example of the reaction in the following case.
Imine