✓ 1 MARKS
MCQ
🔥 APPEARED IN 3 BOARD SETS
According to Alfred Werner, the secondary valence(s) of the central metal atom/ion in a complex :
A
are non-ionisable
B
are ionisable
C
are satisfied by neutral molecules or negative ions
D
is equal to the coordination number and is normally fixed for a metal
Identify the incorrect statement from the above given statements.
01 // VERIFIED BOARD OCCURRENCES
| Year | Paper Code | Set | Position |
|---|---|---|---|
| CBSE 2026 | Series 56-7 | Set 1 | Question 3 |
| CBSE 2026 | Series 56-7 | Set 2 | Question 11 |
| CBSE 2026 | Series 56-7 | Set 3 | Question 4 |
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)