Is mtg's a text book of organic chemistry a good book?

Is it advisable to buy it?

Are the concepts explained clearly in it?

I nam planning to buy it since it costs somewhat less than the other books like OP tandon etc.

'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