can u draw mechanism for number 10 and show us how to get the major product step by step plz

10) Br2,FeBr3 Ester carbonyl is meta directing due to electron withdrawing resonance effect and methyl is ortho/para directing due to inductive effect. Hence answer is option A) I Due to resonance effect of nitroso-oxide group the para nitration of second ring is more favoured leading to formation of product V). Answer is option E) V