Sir i wanted to know about the redox reactions.A complete lesson required for JEEmains and advance.Sir please do support.Due to ur website i m completely clear vth the mole concept.Actually i m nt clear vth this concept in clg so it wld be so helpful if u tel.

'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