1.Is acetyl group an Electron withdrawing group(EWG) or an Electron Donating Group(EDG)..???? 2.Is -CHO group (aldehyde group) & -C=O (Ketone group){im sorry i couldnt find a single line to finish the valency of carbon} EWG or EDG ?? Plzzz help AIEEE exams approaching ####

'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