Which of the following reagent is used for the separation of acetaldehyde from acetophenone?
a) NH2OH b) NaOHI2 c) NaHSO3 d) C6H5NHNH2

'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