Class 12Chemistry2 Aldehydes, Ketones and Carboxylic Acids: Carboxylic Acids and their DerivativesMix Examples-Carboxylic acids and Their derivative
DifficultFind the missing information from the following reactions:
$(i)$ $CH_3COOH \rightarrow[\Delta]{H_2SO_4/P_2O_5} ?$
$(ii)$ $? + CH_3OH \rightleftharpoons[H^{+}]{} CH_3COOCH_3 + H_2O$
$(iii)$ $3 CH_3COOH + PCl_3 \rightarrow 3 CH_3COCl + ?$
$(iv)$ $CH_3COOH + PCl_5 \rightarrow CH_3COCl + ? + HCl$
$(v)$ $C_6H_5COONa \rightarrow{?} C_6H_6$
$(vi)$ $CH_3CH_2COOH \rightarrow{\text{excess } Br_2 + \text{Red } P} ? + ?$
$(vii)$ $CH_3CH_2COOH \rightarrow{?} CH_3CH_2CH_2OH$
$(viii)$ $C_6H_5COOH \rightarrow{\text{anhydrous } AlCl_3, CH_3Cl \text{ or } CH_3COCl} ?$
$(i)$ $CH_3COOH \rightarrow[\Delta]{H_2SO_4/P_2O_5} ?$
$(ii)$ $? + CH_3OH \rightleftharpoons[H^{+}]{} CH_3COOCH_3 + H_2O$
$(iii)$ $3 CH_3COOH + PCl_3 \rightarrow 3 CH_3COCl + ?$
$(iv)$ $CH_3COOH + PCl_5 \rightarrow CH_3COCl + ? + HCl$
$(v)$ $C_6H_5COONa \rightarrow{?} C_6H_6$
$(vi)$ $CH_3CH_2COOH \rightarrow{\text{excess } Br_2 + \text{Red } P} ? + ?$
$(vii)$ $CH_3CH_2COOH \rightarrow{?} CH_3CH_2CH_2OH$
$(viii)$ $C_6H_5COOH \rightarrow{\text{anhydrous } AlCl_3, CH_3Cl \text{ or } CH_3COCl} ?$
(N/A) $(i)$ $(CH_3CO)_2O$ (Ethanoic anhydride)
$(ii)$ $CH_3COOH$ (Ethanoic acid)
$(iii)$ $H_3PO_3$ (Phosphorous acid)
$(iv)$ $POCl_3$ (Phosphorous oxychloride)
$(v)$ $\text{Sodalime } (NaOH + CaO, 3:1) + \Delta$
$(vi)$ $CH_3CHBrCOOH + CH_3CBr_2COOH$ (Hell-Volhard-Zelinsky reaction)
$(vii)$ $LiAlH_4$ or $B_2H_6$ followed by $H_3O^{+}$
$(viii)$ No reaction (Carboxylic acid group is deactivating and forms a complex with $AlCl_3$).
$(ii)$ $CH_3COOH$ (Ethanoic acid)
$(iii)$ $H_3PO_3$ (Phosphorous acid)
$(iv)$ $POCl_3$ (Phosphorous oxychloride)
$(v)$ $\text{Sodalime } (NaOH + CaO, 3:1) + \Delta$
$(vi)$ $CH_3CHBrCOOH + CH_3CBr_2COOH$ (Hell-Volhard-Zelinsky reaction)
$(vii)$ $LiAlH_4$ or $B_2H_6$ followed by $H_3O^{+}$
$(viii)$ No reaction (Carboxylic acid group is deactivating and forms a complex with $AlCl_3$).
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Similar Questions
Give the expected product of the following reaction.
Difficult
View SolutionWhat is the final product $(B)$ of this sequence?
Difficult
View Solution$A$ $\xrightarrow[\text{(ii) } H_3O^{+}]{\text{(i) } NaOH} B$ $\xrightarrow[\text{(ii) } H_2SO_4, \Delta]{\text{(i) } EtOH} C$
'$A$' shows positive Lassaigne's test for $N$ and its molar mass is $121$.
'$B$' gives effervescence with aq. $NaHCO_3$.
'$C$' gives fruity smell.
Identify $A, B$ and $C$ from the following.
'$A$' shows positive Lassaigne's test for $N$ and its molar mass is $121$.
'$B$' gives effervescence with aq. $NaHCO_3$.
'$C$' gives fruity smell.
Identify $A, B$ and $C$ from the following.
Match the reactant in Column-$I$ with the reaction in Column-$II$:
Column-$I$ Column-$II$ $(i)$ Acetic acid $(a)$ Stephen $(ii)$ Sodium phenate $(b)$ Friedel-Crafts $(iii)$ Methyl cyanide $(c)$ $HVZ$ $(iv)$ Toluene $(d)$ Kolbe's
| Column-$I$ | Column-$II$ |
| $(i)$ Acetic acid | $(a)$ Stephen |
| $(ii)$ Sodium phenate | $(b)$ Friedel-Crafts |
| $(iii)$ Methyl cyanide | $(c)$ $HVZ$ |
| $(iv)$ Toluene | $(d)$ Kolbe's |
The acidity of compounds $I-IV$ in water follows the order:
$I.$ ethanol
$II.$ acetic acid
$III.$ phenol
$IV.$ acetonitrile
$I.$ ethanol
$II.$ acetic acid
$III.$ phenol
$IV.$ acetonitrile
MediumKVPY 2017
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