✓ 1 MARKS
MCQ
🔥 APPEARED IN 3 BOARD SETS
(b) (ii) Why do transition metals have high $\Delta_{\text{a}} \text{H}^{\circ}$ ?
01 // VERIFIED BOARD OCCURRENCES
| Year | Paper Code | Set | Position |
|---|---|---|---|
| CBSE 2026 | Series 56-7 | Set 1 | Question 29 |
| CBSE 2026 | Series 56-7 | Set 2 | Question 29 |
| CBSE 2026 | Series 56-7 | Set 3 | Question 30 |
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)