32.46 ml of nitrogen measured at STP is relesed when 0.1g of a primary amine is acted upon by excess of nitrous acid.. R-NH₂+HNO₂ gives R-OH+N₂+H₂O.calculate molar mass of amine..

'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