Intra molecular hydrogen bonding have more acidic then interr molecular hydrogen bonding example is O-HYDROXY Benzoic acid is more acid than P-HYDROXY Benzoic acid...but this is just reverse in O-nitro phenol...is less acidic than p-nitro phenol how it satisfied and plz answer me as soon as possible

'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