Choose the compound which has a maximum bond angle at nitrogen among the following:
| 1. | 2. | ||
| 3. | 4. |
Identify the correct increasing order of O–N–O bond angle among the following species:
1. NO₂⁻ < NO₂⁺ < NO₂Which of the following species has a linear shape?
1.
2.
3.
4.
Which of the following is not a correct statement?
| 1. | The electron-deficient molecules can act as Lewis acids. |
| 2. | The canonical structures have no real existence. |
| 3. | Every AB5 molecule does in fact have a square pyramidal structure. |
| 4. | Multiple bonds are always shorter than corresponding single bonds. |
Identify the species that is not isostructural with SiCl₄:
1. SCl₄
2. SO₄²⁻
3. PO₄³⁻
4. NH₄⁺