An organic compound A , molecular formula C6div0 , decolourises bromine water. A on reduction forms 2-methyl butane and on ozonolysis yields ethanal and propanone. Identify the compound A and give the equations of the related reactions.

'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