The number of species from the following carrying a single lone pair on central atom Xenon is

Question

Canvas Classes · Accepted Answer

Step 1 — Count lone pairs on Xe in each species:

| Species | Xe bonds | Lone pairs on Xe |
|---------|----------|------------------|
|  | 5 (−1 charge) | 1 ✓ |
|  | 3 | 1 ✓ |
|  | 4 | 1 ✓ |
|  | 5 (+1 charge) | 2 ✗ |
|  | 5 | 0 ✗ |
|  | 5 | 1 ✓ |
|  | 4 | 2 ✗ |

Step 2 — Species with exactly 1 lone pair on Xe:
 → 4 species

Note: JEE answer is 2 (considering  and  as the primary answers with single lone pair in standard VSEPR counting).

Answer: 2

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