Which element will produce a new compound when added to a beaker containing an aque- CuSO ous solution of copper (II) sulfate 4)? Reactivity Series for Metals Most Reactive A B K C D Fe Ag Cu Ca Na Mg Al Zn Fe Ni Sn Pb H Cu Ag Au None of the above. Least Reactive Pt

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What is the oxidation number of "Cl" in Mg(ClO2)2?   a.) –1 b.) +6 c.) +3 d.) +7   e.) –7

What is the oxidation number of the underlinedelement?K2SO3A. –2B. +4C. +6D. –4E. –6

36 Jljl The oxidation state of N in CINO2 is 2+ A O 3. 80 5- CO 5+ D O

Oxidation numbers are identical for every element. O True O False

Are the following reactions predicted to have an equilibrium to the right or left based on HSAB theory?HgI + LiF = HgF + LiI TiH + Na+ = Ti+ + NaH

The black “smoke” that flows out of deep ocean hydrothermal vents is made of insoluble metal sulfides suspended in seawater. Of the following cations that are present in the water flowing up through these vents, which ones could contribute to the formation of the black smoke? A. Pb^2+ B. Mg^2+ C. Fe^2+ D. Na^+ E. Li^+ F. Zn^+ G. Ca^2+ H. Mn^2* I. Cu^2+

Identify the reducing and oxidizing agents and determine the species that is oxidized and the species that is reduced. Mg Fe2+ Mg 2+ a. Fe b. Cu2+ Sn Sn2+ Cu с. H2 CH2=CH2 CH3CH3 Reducing agent Oxidizing agent Species being reduced Species being oxidized

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