i m using himanshu pande as a reference book i m able to solve it but i m not abel to understanding the product mecanism i make sum assumption and get product which is not right so how should i do it plz help me.............. saraunsh bayaskar

'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