Smaller the oxidation state of a metal, more will be the:
Correct answer: C. Basicity of the metal
- A. Acidity of the metal
- B. Polarization power
- C. Basicity of the metal
- D. None of these options are correct
Explanation
OPTION A: Acidic character increases with an increase in oxidation state because the tendency to gain electrons increases with the increase in oxidation state. OPTION B: Higher the positive oxidation state of the central atom, the more will be its polarizing power which, in turn, increases the covalent character of the bond formed between the central atom and the other atom. OPTION C: In the low oxidation state of the metal, some of the valence electrons of the metal atom are not involved in bonding. Hence it can donate electrons and behave as a base. Hence, C is the correct option.OPTION D: It is an incorrect option.
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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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