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(B) Sugars like glucose,fructose,and mannose form identical osazones when treated with excess phenylhydrazine. This occurs because the structural diff

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Glucose and fructose

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(B) Sugars like glucose,fructose,and mannose form identical osazones when treated with excess phenylhydrazine. This occurs because the structural differences between these sugars exist only at the $C-1$ and $C-2$ positions. During the formation of osazone,these two carbon atoms are involved in the reaction,resulting in the same phenylosazone structure for all three sugars.

Sugars are characterized by the preparation of osazone derivatives. Which sugars have identical osazones?

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