Write the favourable factors for the formation of ionic bond. - Vidyadip

Question

Write the favourable factors for the formation of ionic bond.

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Answer

The bond formed by the electrostatic attraction between cations and anions is known as ionic bond. This bond is formed by transference of electron from one atom to other. The favourable factors for formation of ionic bond are:
(i) Lower ionization potential.
(ii) High (negative) electron gain enthalpy.
(iii) High lattice enthalpy.
$\begin{array}{lll} M _{( g )} & \longrightarrow & M _{( g )}^{+}+e \\ X _{( g )}+e & \longrightarrow & X _{( g )}^{-} \\ M _{( g )}^{+}+ X _{( g )}^{-} & \longrightarrow & MX _{( s )}\end{array}$

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