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Statement I : Among IIIA group elements, Boron has highest melting point
Statement II : Boron has giant polymeric structure
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Correct option is A
Melting point order : B > Al >Tl > In > GaIn 13th group Boron has high melting point due to its giant polymeric structure.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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