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MODEL PAPER 5 — Chemistry STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceChemistryMODEL PAPER 51 Mark
MCQ
An organic compound containing oxygen, upon oxidation forms a carboxylic acid as the only organic product with its molecular mass higher by 14 units. The organic compound is ___________ .
  • A
    a ketone
  • ✓
    a primary alcohol
  • C
    an aldehyde
  • D
    a secondary alcohol
✓

Answer

Correct option: B.
a primary alcohol
(b) a primary alcohol
Explanation:When -CH2OH group is replaced by -COOH group then only molecular weight will increase by 14units. .

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