Which of the following reactions can be used to prepare acetophenone?
- A$C_6H_6 + CH_3COCl \xrightarrow[2. H_2O]{1. AlCl_3}$
- B$(C_6H_5COO)_2Ca + (CH_3COO)_2Ca \xrightarrow{\Delta}$
- C$C_6H_5CN \xrightarrow[2. H_3O^{+}]{1. CH_3MgI}$
- DAll of these
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