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MODEL PAPER 5 — Chemistry STD 12 Science — Question

Gujarat 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
When $-\ce{CH_2OH}$ group is replaced by $-\ce{COOH}$ group then only molecular weight will increase by $14$ units. .

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