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Which of the following represents the correct trend for the mentioned property? A. F > P > S > B – Frist Ionization Energy B. Cl > F > S > P – Electron Affinity C. K > Al > Mg > B – Metallic character D. K2O > Na2O > MgO > Al2O3 – Basic character Choose the correct answer from the option given below.

1. A, B and D only
2. A, B, C and D
3. A and B only
4. B and C only

Correct answer: A, B and D only

Solution

Options A, B, and D correctly reflect the trends in first ionization energy, electron affinity, and basic character, respectively, based on periodic table trends. Option C incorrectly suggests that metallic character increases from K to B, which is not accurate as metallic character decreases across a period.

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