The most favourable conditions for the formation of ionic bond are:

small cation, large anion

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large cation, small anion

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large cation, large anion

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small cation, small anion

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Solution

The correct option is B large cation, small anion
Ionic bond is a chemical bond formed by the electrostatic attraction between oppositely charged ions. It results from redox reaction when atoms with low ionization energy release electrons to attain stable configuration becoming cations while another atom has high electron affinity which gains the electron to attain stable configuration by becoming anion. Hence, it is more favourable when the cation is large (low ionization energy) and anion is small (high electron affinity).

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Similar questions

Why the small size of the cation leads to greater polarising power and why large charge on the cation leads to greater polarising power

Polarisation may be called the distortion of the shape of an anion by an adjacently placed cation.which of the following statements is correct

A minimum polarization is brought about by a cation of low radius

B a large cation is likely to bring about the largedegree of polarization

C maximum polarisation is brought about a cation of highcharge

D a small anion is likely to undergo a large degree of polarization

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