$\text { Identify the compound obtained in following reaction? }$

$\text { Identify the compound obtained in following reaction? }$

1. $\mathrm{Ar}-\mathrm{Cl}$
2. 
   
3. $\mathrm{Ar}-\mathrm{O}-\mathrm{R}$
4. 
   

Asked in: MHT CET 2021 (20 Sep Shift 2)

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