Consider the following statements. Which of the following reactions can be used to prepare acetophenone?
$I.$ Oxidation of $1$-phenylethanol.
$II.$ Reaction of benzaldehyde with methyl magnesium bromide.
$III.$ Friedel-Crafts acylation of benzene with acetyl chloride.
$IV.$ Distillation of calcium benzoate.
Which of these statements are correct?
$I.$ Oxidation of $1$-phenylethanol.
$II.$ Reaction of benzaldehyde with methyl magnesium bromide.
$III.$ Friedel-Crafts acylation of benzene with acetyl chloride.
$IV.$ Distillation of calcium benzoate.
Which of these statements are correct?
- A$I$ and $II$
- B$I$ and $IV$
- C$I$ and $III$
- D$III$ and $IV$
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From which of the following substances is acetone prepared?
Medium
View SolutionIn the reaction $\underset{\text{(Vapour)}}{C_2H_5OH} \xrightarrow[300^{\circ}C]{Cu} X$. The molecular formula of $X$ is
$C_6H_6 + CO + HCl \xrightarrow{\text{Anhy. } AlCl_3} X + HCl$. Compound $X$ is
Medium
View SolutionIn 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 SolutionWhat is $Z$ in the following reaction sequence?
$C_6H_5NH_2$ $\xrightarrow[(i) NaNO_2 + HCl / 273 \ K]{(ii) H_3PO_2 + H_2O}$ $\xrightarrow[(iii) CO, HCl, \text{anhydrous } AlCl_3/CuCl]{} Z$
$C_6H_5NH_2$ $\xrightarrow[(i) NaNO_2 + HCl / 273 \ K]{(ii) H_3PO_2 + H_2O}$ $\xrightarrow[(iii) CO, HCl, \text{anhydrous } AlCl_3/CuCl]{} Z$
DifficultTS EAMCET 2014
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