Predict the correct order of repulsions among the following:
1.
Lone pair-lone pair > Bond pair-bond pair >Lone pair-bond pair
2.
Bond pair-bond pair> Lone pair-bond pair>Lone pair-lone pair
3.
Lone pair-bond pair > Bond pair-bond pair >Lone pair-lone pair
4.
Lone pair-lone pair> Lone pair-bond pair>Bond pair-bond pair
Match the compounds given in Column I with the hybridization and shape given in Column II and mark the correct option.
| Column I | Column II |
| A. XeF6 | 1. Distorted octahedral |
| B. XeO3 | 2. Square planar |
| C. XeOF4 | 3. Pyramidal |
| D. XeF4 | 4. Square pyramidal |
| A | B | C | D | |
| 1. | 1 | 2 | 4 | 3 |
| 2. | 4 | 3 | 1 | 2 |
| 3. | 4 | 1 | 2 | 3 |
| 4. | 1 | 3 | 4 | 2 |
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2. The H-C-H bond angle in CH4 is larger than the H-N-H bond angle in NH3
3. The H-C-H bond angle in CH4, the H-N-H bond angle in NH3 and the H-0-H bond angle in H2O are all greater than 90o
4. The H-O-H bond angle in H2O is smaller than the H-N-H bond angle in NH3
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In which of the following pairs, both the species are not isostructural?
1. SiCl4,
2. Diamond, silicon carbide
3.
4.
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Which of the following species contains three bond pairs and one lone pair around the central atom?
1.
2.
3.
4.
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