p-Block Elements-I - Result Question 45

####16. Statement I Boron always forms covalent bond.

Statement II The small size of $B^{3+}$ favours formation of covalent bond.

(2007, 3M)

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Answer:

Correct Answer: 16. (a)

Solution:

  1. Small size and high charge on $B^{3+}$ makes it highly polarising. Therefore, in most of its compounds, boron forms covalent bonds.

Hence, both statement I and statement II are correct and statement II is a correct explanation of statement I.



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