089. Which of the following is a condition for
formation of electrovalent bond?
(A) Low ionisation enthalpy of non-metal.
(B) Low electron affinity of non-metal
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(C) Low ionisation enthalpy of metal
(D) Low lattice energy
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Low ionisation enthalpy of metal.
Explanation:
The conditions for the formation of an electrovalent bond are as follows: The atom which changes into cation (+ ive ion) should possess 1,2 or 3 valency electrons. It will loose these electrons to form cation with +1,+2 or +3 charge.
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