Choose the compound which has a maximum bond angle at nitrogen among the following:
1.
2.
3.
4.
The correct order of increasing bond angles in the following triatomic species is:
1.
2.
3.
4.
Which 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. |
Which of the following is not isostructural with SiCl4?
1.
2.
3.
4.