there is only 2 months left for jee..ive not started organicchem...iv e just done the basics...so brothers and sisters...cn i leave the organic part,and proceed withphysical and inorganic part??pls show me a way..i would be very grateful..

'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