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HOME CBSE 12 CHEMISTRY ALDEHYDES, KETONES AND CARBOXYLIC ACIDS
✓ 3 MARKS Reactions
🔥 APPEARED IN 3 BOARD SETS
An organic compound 'X' with the molecular formula $\text{C}_5\text{H}_{10}\text{O}$ forms 2,4-DNP derivative, does not reduce Tollens' reagent but gives positive iodoform test on heating with $\text{I}_2$ in the presence of $\text{NaOH}$. Compound 'X' gives ethanoic acid and propanoic acid on vigorous oxidation. Write the (i) Structure of the compound 'X'. (ii) Structure of the product obtained when compound 'X' reacts with 2,4-DNP reagent. (iii) Structures of the products obtained when compound 'X' is heated with $\text{I}_2$ in the presence of $\text{NaOH}$.
YearPaper CodeSetPosition
CBSE 2022Series 56-1Set 1Question 9
CBSE 2022Series 56-1Set 2Question 10
CBSE 2022Series 56-1Set 3Question 6
  • Step 1: Stating the fundamental formula / law statement (+1 Mark)
  • Step 2: Intermediate mathematical substitution or proof steps (+1 Mark)
  • Step 3: Correct final value or conclusion with mandatory SI units (+1 Mark)
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