Choose incorrect statement:
Correct answer: C. pH of aqueous solution LiCl>BeCl2>MgCl2>AlCl3
- A. Reducing power in aqueous solution is maximum for Lithium metal.
- B. electron affinity order O+<O<O-22<O-2
- C. pH of aqueous solution LiCl>BeCl2>MgCl2>AlCl3
Explanation
pH of aqueous solution LiCl<BeCl2<MgCl2<AlCL3 Therefore, option C is correct.
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About Periodic Properties and Trends
Periodic properties arise from electron configuration and effective nuclear charge, producing trends in atomic and ionic radius, ionization energy, electron affinity, electronegativity, metallic character and reactivity. Comparisons run across periods and down groups, with attention to common exceptions. The topic also relates these trends to the behavior of s-block and p-block elements.
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