Which cation is unstable in aqueous solution?
Correct answer: B. Bi3+
- A. Sb3+
- B. Bi3+
- C. Sn3+
- D. Fe3+
Explanation
This is a fact Boron does not have a d orbital to stabilize its charge and thus is unstable as a cation in aqueous solution.This is a fact and should be memorized.
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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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