In the reaction CH_3-C equiv C-CH_3 xrightarr | vedclass

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(C) The given reaction is the ozonolysis of an internal alkyne $(but-2-yne)$.Ozonolysis of alkynes involves the reaction with ozone $(O_3)$ followed b

Vedclass · Accepted Answer

$O_3$

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(C) The given reaction is the ozonolysis of an internal alkyne $(but-2-yne)$.Ozonolysis of alkynes involves the reaction with ozone $(O_3)$ followed by reductive workup using $H_2O/Zn$.This process cleaves the triple bond to form diketones.$CH_3-C \equiv C-CH_3 + O_3 \rightarrow CH_3-CO-CO-CH_3 + ZnO + H_2O$.Therefore,$X$ is $O_3$.

In the reaction $CH_3-C \equiv C-CH_3 \xrightarrow[(ii) H_2O/Zn]{(i) X} CH_3-CO-CO-CH_3$,what is $X$?

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