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MODEL PAPER 5 — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistryMODEL PAPER 51 Mark
MCQ
Assertion (A): D-glucose and D-mannose form same osazone with phenylhydrazine.
Reason (R): Osazone formation involves only the last four carbon atoms.
  • A
    Both A and R are true and R is the correct explanation of A.
  • B
    Both A and R are true but R is not the correct explanation of A.
  • ✓
    A is true but R is false.
  • D
    A is false but R is true.
✓

Answer

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

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