| 1. | \(\mathrm{SiCl}_4, \mathrm{PCl}_4^{+}\) | 2. | Diamond, silicon carbide |
| 3. | \(\mathrm{NH}_3, \mathrm{PH}_3\) | 4. | \(\mathrm{XeF}_4, \mathrm{XeO}_4\) |
A compound among the following having a similar structure to graphite is:
1. B
2. B4C
3. B2H6
4. BN
| 1. | Sheet silicate | 2. | Pyrosilicate |
| 3. | Three dimensional silicate | 4. | Linear chain silicate |