
Identify $\mathrm{Z}$ in the following reaction sequence.

- $\mathrm{CH}_{3} \mathrm{COCH}_{2} \mathrm{COONa}$
- $\left(\mathrm{CH}_{3} \mathrm{CO}ight)_{2} \mathrm{O}$
- $\mathrm{CH}_{3} \mathrm{CO}-\mathrm{O}-\mathrm{COCH}_{2} \mathrm{Cl}$
- $\mathrm{CH}_{3} \mathrm{CO}-\mathrm{OCOCHCl}_{2}$
Asked in: JEE-TOPICTESTS-CHEMISTRY
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