In halogens, with the increase of atomic number ...

Habit to loose electrons decreases

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Ionic radii decreases

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Ionization potential decreases

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In MX₂ (M=metal and X= halogen), covalent properties decreases

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Solution

The correct option is C
Ionization potential decreases

Ionization potential decreases.

This happens because the increase in size leads to a reduction in effective nuclear charge due to shielding effect and penetration effect, and this leads to a lesser attraction on the outer electrons.

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Similar questions

In halogens, with the increase of atomic number which habit is found

In halogen group which tendency works with increase in atomic number

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I_{2}

S F_{6}

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