(A): A 1 F3 is an ionic compound whereas BT3 is covalent compound. (R): B F3 involves back πbon

step 1 So in problem 121 of chapter 5 compounds of B block elements 1 so in this question we have given

(A): A 1 F3 is an ionic compound whereas BT3 is covalent...

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Key Concepts

Ionic Bonding

Ionic bonding is the type of chemical bonding observed when one atom donates one or more electrons to another atom, leading to the formation of cations and anions that are held together by strong electrostatic forces. This type of bond is common between elements with a large electronegativity difference, typically a metal and a nonmetal, resulting in the formation of compounds with distinct crystal lattice arrangements.

Covalent Bonding

Covalent bonding refers to the sharing of electrons between atoms, usually nonmetals, to achieve a stable electron configuration. In these bonds, electrons are shared in molecular orbitals, and the bond properties such as polarity and strength depend on the degree of sharing and the difference in electronegativity between the atoms involved.

Back Bonding

Back bonding is a phenomenon in chemical bonding where electrons from a ligand, usually from a filled orbital with lone pair electrons on an electronegative atom, are donated into an empty orbital of a central atom. This ?-back bonding can help stabilize electron-deficient central atoms and influence the geometry and reactivity of the molecule by partially alleviating positive charge, thus contributing to bond strength and molecular stability.

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