$Pentan-3-one$ is not obtained from:
- A$2, 2-$dichloropentane
- B$3, 3-$dichloropentane
- C$pentan-3-ol$
- D$pent-2-yne$
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Similar Questions
$CH_3-CH(OH)-CN$ is
Medium
View SolutionIdentify the product obtained when benzonitrile is reduced by stannous chloride $(SnCl_2)$ in the presence of hydrochloric acid $(HCl)$,followed by acid hydrolysis.
In column - $I$ reaction name,in column - $II$ reactant and in column - $III$ product are given,match column - $I$ with column - $II$ and column - $III$ with the correct option.
Column - $I$ and $II$ Column - $III$ $(A).$ Rosenmund reaction - $(i).$ $H_2, Pd, BaSO_4$ $(p).$ Benzene to benzaldehyde $(B).$ Stephen reaction - $(iii).$ $SnCl_2, HCl$ $(q).$ Benzoyl chloride to benzaldehyde $(C).$ Etard reaction - $(iv).$ $CrO_2Cl_2, CS_2$ $(r).$ Toluene to chromium complex $(D).$ Gatterman-Koch reaction - $(ii).$ $CO, HCl$ anhydrous $AlCl_3/CuCl$ $(s).$ $RCN \to RCHO$
| Column - $I$ and $II$ | Column - $III$ |
|---|---|
| $(A).$ Rosenmund reaction - $(i).$ $H_2, Pd, BaSO_4$ | $(p).$ Benzene to benzaldehyde |
| $(B).$ Stephen reaction - $(iii).$ $SnCl_2, HCl$ | $(q).$ Benzoyl chloride to benzaldehyde |
| $(C).$ Etard reaction - $(iv).$ $CrO_2Cl_2, CS_2$ | $(r).$ Toluene to chromium complex |
| $(D).$ Gatterman-Koch reaction - $(ii).$ $CO, HCl$ anhydrous $AlCl_3/CuCl$ | $(s).$ $RCN \to RCHO$ |
Difficult
View SolutionThe conversion,$PhCN \to PhCOCH_3$,can be achieved most conveniently by reaction with
Medium
View SolutionThe intermediate compound $X$ in the following chemical reaction is :
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