Which one of the following element has highest oxidation state in its compounds ?
Correct answer: B. Mn
- A. Cr
- B. Mn
- C. Sn
- D. O
Explanation
Manganese reaches oxidation state +7 in permanganate, MnO4-, which is higher than chromium's common maximum of +6, tin's +4, and oxygen's positive oxidation states in ordinary compounds. The likely mistake is chromium because it is also a transition metal with several oxidation states, but its highest common state is +6.
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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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