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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 $\text{NaOH}$.
01 // VERIFIED BOARD OCCURRENCES
| Year | Paper Code | Set | Position |
|---|---|---|---|
| CBSE 2022 | Series 56-1 | Set 1 | Question 9 |
| CBSE 2022 | Series 56-1 | Set 2 | Question 10 |
| CBSE 2022 | Series 56-1 | Set 3 | Question 6 |
02 // OFFICIAL CBSE MARKING SCHEME BREAKDOWN
- 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)