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| Q. |
Phosphorus is kept in water because – |
| A. | its ignition temperature is very high |
| B. | its ignition temperature is very low |
| C. | its critical temperature is high |
| D. | its critical temperature is low |
| Answer» B. its ignition temperature is very low | |
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Explanation: The allotropic form of Phosphorus (white phosphorus) is less stable and therefore highly reactive because of angular strain in P4 molecule where the angles are only 600. |
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