$Propyne$ $\xrightarrow[Hg^{2+} / H_2 O, \Delta]{H^{+}}$ $P$ $\stackrel{Ba(OH)_2}{\rightleftharpoons}$ $Q$ $\xrightarrow{\Delta}$ $R$. $R$ in the above sequence of reactions is:
- A$CH_3-CH=CH-CHO$
- B
- C
- D
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Similar Questions
Arrange the following compounds in decreasing order of reactivity towards nucleophilic addition reactions:
$(I) \ HCHO$,$(II) \ CH_3CHO$,$(III) \ CH_3COCH_3$,$(IV) \ CH_3CH_2COCH_2CH_3$
$(I) \ HCHO$,$(II) \ CH_3CHO$,$(III) \ CH_3COCH_3$,$(IV) \ CH_3CH_2COCH_2CH_3$
Medium
View SolutionThe above reduction can be best carried out by
Medium
View SolutionWhich among the following compounds has the highest boiling point?
Match the example given in Column-$I$ with the name of the reaction in Column-$II$.
Column-$I$ (Example) Column-$II$ (Reaction) $(A)$ $CH_3COCl + H_2 \xrightarrow{Pd-C/BaSO_4} CH_3CHO$ $(1)$ Friedel-Crafts acylation $(B)$ $C_6H_5CHO \xrightarrow{NaOH} C_6H_5CH_2OH + C_6H_5COONa$ $(2)$ $HVZ$ reaction $(C)$ $C_6H_6 + CH_3COCl \xrightarrow{AlCl_3} C_6H_5COCH_3$ $(3)$ Aldol condensation $(D)$ $R-CH_2COOH \xrightarrow{Br_2/Red P} R-CH(Br)COOH$ $(4)$ Cannizzaro's reaction $(E)$ $CH_3-CN \xrightarrow{SnCl_2/HCl, H_2O/H^+} CH_3-CHO$ $(5)$ Rosenmund's reduction $(F)$ $2CH_3CHO \xrightarrow{NaOH} CH_3-CH=CH-CHO$ $(6)$ Stephen's reaction
| Column-$I$ (Example) | Column-$II$ (Reaction) |
|---|---|
| $(A)$ $CH_3COCl + H_2 \xrightarrow{Pd-C/BaSO_4} CH_3CHO$ | $(1)$ Friedel-Crafts acylation |
| $(B)$ $C_6H_5CHO \xrightarrow{NaOH} C_6H_5CH_2OH + C_6H_5COONa$ | $(2)$ $HVZ$ reaction |
| $(C)$ $C_6H_6 + CH_3COCl \xrightarrow{AlCl_3} C_6H_5COCH_3$ | $(3)$ Aldol condensation |
| $(D)$ $R-CH_2COOH \xrightarrow{Br_2/Red P} R-CH(Br)COOH$ | $(4)$ Cannizzaro's reaction |
| $(E)$ $CH_3-CN \xrightarrow{SnCl_2/HCl, H_2O/H^+} CH_3-CHO$ | $(5)$ Rosenmund's reduction |
| $(F)$ $2CH_3CHO \xrightarrow{NaOH} CH_3-CH=CH-CHO$ | $(6)$ Stephen's reaction |
Medium
View Solution$3$-hydroxybutanal is formed when $(X)$ reacts with $(Y)$ in a dilute $(Z)$ solution. What are $X, Y$ and $Z$?
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