Would it be feasible to make p-nitroacetophenone via a reaction between lithium di(p-nitrophenyl)cuprate, (p-O₂NC₆H₄)₂CuLi, and acetyl chloride?

'x' gm of a compound A3B2C5 contains 'y' gm of A atoms

 

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how to represent the possible fischer projections for 2-bromohexane