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प्रश्न
How are the following compounds prepared?
benzaldehyde from benzoyl chloride
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उत्तर
Benzaldehyde from benzoyl chloride

Rosenmund Reduction
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संबंधित प्रश्न
Write balanced chemical equations for action of ammonia on - formaldehyde
Write the structures of the main products when acetone (CH3 − CO − CH3) reacts with the following reagent :
H2N − NHCONH2/H+
Arrange the following compound in increasing order of its reactivity in nucleophilic addition reactions.
Ethanal, Propanal, Propanone, Butanone.
Hint: Consider steric effect and electronic effect.
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.
Hemiacetal
What is meant by the following term? Give an example of the reaction in the following case.
Imine
What is meant by the following term? Give an example of the reaction in the following case.
2, 4-DNP-derivative
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.

How are the following compounds prepared?
acetophenone from benzene
What is the action of the following reagents on ethanoic acid?
1) `LiAlH_4"/"H_3O^+`
2) `PCl_3 , "heat"`
3) `P_2O_5, "heat"`
Write the structure of Phenylmethanamine.
How will you convert benzoic acid to m-bromobenzoic acid?
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.
Which of the following has the most acidic hydrogen?
The most stable reagent for the conversion of R – CH2OH → RCHO is
What happens when propanone is treated with CH3MgBr and then hydrolysed?
Out of p-tolualdehyde and p-nitrobenzaldehyde, which one is more reactive towards nucleophilic addition reactions, why?
Why dissociation of HCN is suppressed by the addition of HCL?
Draw the structure of the following derivative.
Acetaldehydedimethylacetal
Draw the 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.
Oxime
Give an example of the reaction in the following case.
Imine
