✓ 2 MARKS
Very Short Answer
🔥 APPEARED IN 3 BOARD SETS
An Organic compound
A
with molecular formula $\text{C}_3\text{H}_7\text{NO}$ on heating with $\text{Br}_2$ and $\text{KOH}$ forms a compound
B
. Compound
B
on heating with $\text{CHCl}_3$ and alcoholic $\text{KOH}$ produces a foul smelling compound
C
and on reacting with $\text{C}_6\text{H}_5\text{SO}_2\text{Cl}$ forms a compound
D
which is soluble in alkali. Write the structures of
A
,
B
,
C
and
D
.
01 // VERIFIED BOARD OCCURRENCES
| Year | Paper Code | Set | Position |
|---|---|---|---|
| CBSE 2022 | Series 56-3 | Set 1 | Question 3 |
| CBSE 2022 | Series 56-3 | Set 2 | Question 2 |
| CBSE 2022 | Series 56-3 | Set 3 | Question 1 |
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)