Questions
Assertion (A) : Boron has unusually high melting point.
Reason (R) : Boron has very strong crystalline lattice.
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Correct option is A
Because of strong crystalline lattice of boron, it has high melting point.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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