Which of the following catalysts is used to convert an alkyne $(-C \equiv C-)$ to form a $cis$-alkene?
- A$ZnCl_2 / HCl$
- B$Pd-C / \text{quinoline}$
- C$Na / \text{liquid } NH_3$
- D$Na / Hg \text{ in } H_2O$
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Similar Questions
Which of the following does not follow Markownikoff’s rule?
Medium
View SolutionWhich of the following reagents cannot be used for the experimental reduction of a functional group?
The final product $B$ of the below reaction sequence is:
$CH_3-CH(Br)-CH_3$ $\xrightarrow{KOH/C_2H_5OH} A$ $\xrightarrow{(C_6H_5CO)_2O_2, HBr} B$
$CH_3-CH(Br)-CH_3$ $\xrightarrow{KOH/C_2H_5OH} A$ $\xrightarrow{(C_6H_5CO)_2O_2, HBr} B$
Reactant $(A)$ in this reaction is
Difficult
View SolutionFor the given reaction sequence,identify the products $(C)$ and $(D)$ formed after ozonolysis of the major product $(B)$:
$(CH_3)_2CH-CHCl-CH_3$ $\xrightarrow{C_2H_5ONa / C_2H_5OH} B$ $\xrightarrow{O_3 / H_2O_2} C + D$
$(CH_3)_2CH-CHCl-CH_3$ $\xrightarrow{C_2H_5ONa / C_2H_5OH} B$ $\xrightarrow{O_3 / H_2O_2} C + D$
Difficult
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