Complete the following reactions:
a. `overset (Benzen e) underset ((A))` `overset (Ac_(2)O) underset (+AICI_(3)) rarr` (B) `overset ((i) MeMgBr) underset ((ii) H_(3)O^((+))) rarr` (C) `overset (Conc.) underset (H_(2)SO_(4))` (D) `overset (1. BH_(3)//THF) underset (2. H_(2)O_(2)//O^((-))H) rarr` (E)
b. `overset (MeCH_(2)Br) underset ((A))` `overset (alc.) underset (KOH) rarr` (B) `overset (Br_(2)) rarr` (C) `overset (2NaNH_(2)) rarr` (D) `overset (RMgBr) underset (1 mol) rarr` RH + (E) `overset (1. Acetone) underset (2. H_(3)O^((+))) rarr` (F)
c.
`overset (A1c.) underset (KOH) rarr` (B) `overset (NBS) rarr` (C)
`overset (Mg..ether) rarr` (D) `overset (1. Acet on e) underset (2. H_(3)O^((+))) rarr` (E) `overset (conc. H_(2)SO_(4)) underset (Delta) rarr` (F)
