Which of the following reactions does not give benzaldehyde as a product?

  • A
    Benzene + $HCN + HCl \xrightarrow{ZnCl_2, H_2O}$
  • B
    Toluene + $(1) CrO_2Cl_2, (2) H_2O \rightarrow$
  • C
    Toluene + $(1) CrO_3, (CH_3CO)_2O, (2) H_2O \rightarrow$
  • D
    Phenol + $CHCl_3 + KOH \rightarrow$

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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 $AlCl_3/CuCl$ $(s).$ $RCN \to RCHO$

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Calcium acetate,on heating,gives:

What is the major product obtained when calcium acetate and calcium formate are heated together?

Which of the following is used as a reagent in the Etard reaction?

Which of the following is used to convert olefins into aldehydes?

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