Write a balanced net-ionic equations to describe a. reduction of Fe3+ to fe2+ by SO2 b. reaction of H2MoO4 in a Jones reductor c. oxidation of HNO2 by a solution of MnO4- d. reaction of aniline (C6H4NH2) with a mixture of KBrO3 and KBr in acidic solution e. air oxidation of HAsO3(2-) to HAsO4(2-) f. reaction of KI with HNO2 in acidic solution

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Q: None

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Actinides

The elements in which the extra electron tends to enter the 5f-orbitals of (n–2)th main shell are considered 5f-block elements. They are also named actinides. Actinides include 15 elements, from atomic number 89 to 103.