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MODEL PAPER 5 — Chemistry STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceChemistryMODEL PAPER 51 Mark
Question
Assertion (A): D-glucose and D-mannose form same osazone with phenylhydrazine.
Reason (R): Osazone formation involves only the last four carbon atoms.
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Answer

(c) A is true but R is false.
Explanation: A is true but R is false.

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