✓ 3 MARKS
Reasoning / Why
🔥 APPEARED IN 3 BOARD SETS
(a) Illustrate Sandmeyer's reaction with an equation. (b) Explain, why $(\text{CH}_3)_2\text{NH}$ is more basic than $(\text{CH}_3)_3\text{N}$ in aqueous solution.
01 // VERIFIED BOARD OCCURRENCES
| Year | Paper Code | Set | Position |
|---|---|---|---|
| CBSE 2023 | Series Other | Set 1 | Question 28 |
| CBSE 2023 | Series Other | Set 1 | Question 30 |
| CBSE 2023 | Series Other | Set 1 | Question 29 |
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)