Question

. Which of the following compound of Boron will be more covalent in nature ?
(A) BCI3
(B) BF3
(C) BBr3
(D) BI3
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Answer 1

Answer:

BF₃

Explanation:

As the atomic size decreases, the ability or tendency to form covalent bond increases. There is a large degree of π-bonding when the halogen is Fluorine as compared to when it is Cl, Br or I. The bonding goes on decreasing subsequently. Therefore, BF₃ is more covalent in nature than others.

Answer 2

$BF_{3}$ compound of Boron will be more covalent in nature.

Explanation:

More is the electronegativity of an atom more readily it will attract electrons towards itself from another atom.

Out of F, Cl, Br, and I the most electronegative atom is fluorine. So, the compound $BF_{3}$ will have a strong covalent bond.

As covalent bond is the bond formed due to sharing of electrons. Therefore, out of the given options $BF_{3}$ is the most covalent in nature.

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