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  • Anomalous melting point of boron is due toOption: 1 Small sizeOption: 2 High electropositiv

Anomalous melting point of boron is due to

Option: 1

Small size


Option: 2

High electropositive character


Option: 3

Giant Covalent Polymer


Option: 4

High electronegativity


Answers (1)

best_answer

As we learnt

Boron has a very high melting point due to its existence as giant covalent polymer in both solid and liquid state.

Boron forms giant \mathrm{B_{12}} icosahedral structure due to which its melting point is very high.

Therefore, option (3) is correct.

Posted by

Gautam harsolia

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