The above conversion can be achieved by:

Ethyl acetate reacts with $CH_3MgBr$ to form

Identify the major product $A$ in the following reaction:
[Image of the reaction: $A$ substituted tetralin derivative with a ketone group,a chlorine atom,and a nitro group,reacting with $N_2H_4/KOH/H_2O$ (Wolff-Kishner reduction)]

Identify the product of the following reaction:
$C_6H_4(CHO)_2 + \text{conc. } NaOH \xrightarrow{\text{heat}} ?$

Identify the products $A$,$B$,and $C$ in the following reaction sequence:
$C_6H_5CONH_2$ $\xrightarrow{P_2O_5, \Delta} A$ $\xrightarrow[(ii) H_2O]{(i) DIBAL-H} B$
$A \xrightarrow[(ii) H_3O^+, \Delta]{(i) (CH_3CO)_2O/CH_3COONa} C$

The products formed in the following reaction,$A$ and $B$ are