Questions
Statement I : Gallium is used as a thermometric liquid
Statement II : Gallium has wide liquid range of temperature
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Correct option is A
Melting point of Ga is : ~30oBoiling point of Ga is : 24030 Ga exists as liquid between 300 to 24030 .→ Any compound exist as liquid between melting point temperature and boiling point temperatures .So "Ga" has wide liquid range and hence it is used as thermometric liquid for measuring high temperatures.Similar Questions
The bond dissociation energy of BF bond in BF3 is 646 kJ mol–1 whereas that of CF in CF4 is 315 kJ mol–1. The correct reason for higher BF bond dissociation energy as compared to that of CF bond is :
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