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प्रश्न
Convert the following:
Benzoic acid to Benzaldehyde
उत्तर
Firstly, benzoic acid is converted into benzoyl chloride by adding sulphonyl chloride, and then by Rosenmund reaction using Pd-BaSO4 converted into benzaldehyde.
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संबंधित प्रश्न
Write the chemical equations to illustrate the following name reactions : Rosenmund reduction
Aldehydes are produced on reduction of the following by DIBAL-H:
The oxidation of toluene to benzoic acid can be stopped at the aldehyde stage to give benzaldehyde. The reagent used for the purpose is one of the following.
Match the common names given in Column I with the IUPAC names given in Column II.
| Column I (Common names) |
Column II (IUPAC names) |
||
| (i) | Cinnamaldehyde | (a) | Pentanal |
| (ii) | Acetophenone | (b) | Prop-2-enal |
| (iii) | Valeraldehyde | (c) | 4-Methylpent-3-en-2-one |
| (iv) | Acrolein | (d) | 3-Phenylprop-2-enal |
| (v) | Mesityl oxide | (e) | 1-Phenylethanone |
The strongest base among the following
The number of chiral carbon in glucose is:-
Aldehydes are the first oxidation products of ______.
Explain the following reactions:
Stephan reaction
Reagent used to convert allyl alcohol to acrolein is ______.
Assertion (A): Strong oxidising agents oxidise toluene and its derivatives to benzoic acids.
Reason (R): It is possible to stop the oxidation of toluene at the aldehyde stage with suitable reagents.
Select the most appropriate answer from the options given below:
