1. Tardigrade
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  3. Chemistry
  4. Compound X on heating with Zn dust gives compound Y which on treatment with O 3 followed by reaction with Zn dust gives propionaldehyde. The structure of X is

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Q. Compound $X$ on heating with $Zn$ dust gives compound $Y$ which on treatment with $O _{3}$ followed by reaction with $Zn$ dust gives propionaldehyde. The structure of $X$ is

KVPYKVPY 2013

Solution:

Skeletal diagram of given information can be drawn
$X \xrightarrow{ Zn } Y \xrightarrow{ O _{3} / Zn , H _{2} O } \underset{\text{Propionaldehyde}}{2 CH _{3} CH _{2} CHO}$
On retro synthesis.
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