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Problem- Using a table of standard reduction potentials determine the best answer to the following questions

1. Which of the following reagents would oxidize Cr to Cr^3 but not Pb to Pb^2

Br-, Br2, Co,Ca^2+, Co^2+, or Ca?

2. Which would oxidize I^- to I 2 but not Au to Au^+3

Ca^2+, Ca, Co^2+, Br^2, Br^-, or Co?

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Category:- Chemistry
Reference No.:- M91250128

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