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in case of aldehydes and ketones 2,4 DNPH reacts similar to the nucleophilic addition of HCN and gives a hydrogen to Oxygen in carbonyl group and than the whole rest of the molecule is joined to the carbon like addition of CN and than the OH and H on nitrogen which bonds with carbon of aldehyde or ketone form water so condensation occours and finally C forms double bond with N this organic compound is formed as ORANGE precipitate
thnx but im not geting my answer in the f part of question nmbr 5 here http://www.xtremepapers.com/papers/...d AS Level/Chemistry (9701)/9701_w05_qp_2.pdf
plzz help