✓ 1 MARKS
MCQ
🔥 APPEARED IN 3 BOARD SETS
The correct formula of Hinsberg's reagent is :
A
$\text{C}_6\text{H}_5\text{COCl}$
B
$\text{C}_6\text{H}_5\text{SO}_2\text{Cl}$
C
$\text{C}_6\text{H}_5\text{CONHCH}_3$
D
$\text{C}_6\text{H}_5\text{CH}_2\text{NH}_2$
01 // VERIFIED BOARD OCCURRENCES
| Year | Paper Code | Set | Position |
|---|---|---|---|
| CBSE 2026 | Series 56-5 | Set 1 | Question 6 |
| CBSE 2026 | Series 56-5 | Set 2 | Question 2 |
| CBSE 2026 | Series 56-5 | Set 3 | Question 5 |
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)