I am in big confusion : Which book is better for jee advanced preparation LG WADE OR SOLOMONS? Please any askiitian expert should answer it who has used it earlier. If lg wade is better then plzz tell me which version should i buy : original or one edited by Maya Shankar Singh?

'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