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TCA Cycle and ETC

. Osazone for...

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. Osazone formation involves only 2 carbon atoms of glucose because of -(A) chelation (B) oxidation (C) reduction (D) hydrolysis

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Q. Osazone formation involves only 2 carbon atoms of glucose because of:

Q. Assertion :When the ketohexose, D() fructose is treated with phenyl hydrazine it produces an osazone that is identical with the one prepared from either D-(+) glucose or D-(+) mannose. Reason: Sugars forming same osazone have different configuration

C_{1}

C_{2}

that are involved in osazone formation, the rest four carbon atoms (

C_{3}, C_{4}, C_{5} a n d C_{6}

are same) are identical. Since all belongs to D-Family hence the configuration of last but one asymmetric carbon atom would be the same

The number of phenylhydrazine molecules required for $1 m o l e c u l e$ of glucose osazone formation is:

Q. D-Glucose, D-Mannose and D-Fructose from same osazone on reaction with phenylhydrazine because they have same configuration at carbons

x, y

z

x + y + z = ?

Q. In the formation of osazone derivatives of aldohexoses and ketohexoses, the carbon atom (s) that participate(s) in the reactions is.

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