Which of the following reagents cannot be used in a Friedel-Crafts reaction?

Number of deactivating groups in the following is $-Cl, -SO_3H, -OH, -NHC_2H_5, -COOCH_3, -CH_3$.

For the reaction shown below,identify the major product $A$ and the reaction mechanism $R$:
$m$-bromoanisole $\xrightarrow{NaNH_2} A, R$

Which chloroderivative of benzene among the following would undergo hydrolysis most readily with aqueous $NaOH$ to furnish the corresponding hydroxy derivative?

The main product of the following reaction will be
$1$-fluoro-$2$-chloro-$4$-nitrobenzene + piperidine $\to$ Product

What will be the major product $A$ in the following reaction?