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प्रश्न
Write the structures of A and B in the following reactions
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उत्तर
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संबंधित प्रश्न
On acid hydrolysis, propane nitrile gives.
Name the reagents used in the following reactions:
Show how the following compound can be converted to benzoic acid.
Acetophenone
Show how the following compound can be converted to benzoic acid.
Bromobenzene
Predict the products formed when cyclohexanecarbaldehyde reacts with the following reagent.
Tollens’ reagent
Through which of the following reactions number of carbon atoms can be increased in the chain?
(i) Grignard reaction
(ii) Cannizaro’s reaction
(iii) Aldol condensation
(iv) HVZ reaction
Match the reactions given in Column I with the suitable reagents given in Column II.
| Column I (Reactions) |
Column II (Reagents) |
| (i) Benzophenone Diphenylmethane | (a) \[\ce{LiAlH4}\] |
| (ii) Benzaldehyde 1-Phenylethanol | (b) \[\ce{DIBAL-H}\] |
| (iii) Cyclohexanone Cyclohexanol | (c) \[\ce{Zn(Hg)/Conc. HCl}\] |
| (iv) Phenyl benzoate Benzaldehyde | (d) \[\ce{CH3MgBr}\] |
Benzoic acid can be obtained by the oxidation of all of the following EXCEPT ______.
The end product Y in the sequence of reaction:
\[\ce{RX ->[CN^-] X ->[NaOH] Y}\] is:
Alkaline hydrolysis of C4H8Cl2 gives a compound (A) which on heating with NaOH and I2 produces a yellow precipitate of CHI3. The compound (A) should be ______.
