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Chapter 19 - Chapter 19 Electrochemistry NOTE A table of...

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Page 344 Chapter 19: Electrochemistry NOTE: A table of standard reduction potentials is required to work many of these problems. 1. Complete and balance the following redox equation. When properly balanced using the smallest whole-number coefficients, the coefficient of S is H 2 S + HNO 3 S + NO (acidic solution) A) 1 B) 2 C) 3 D) 5 E) 6 Ans: C Category: Medium Section: 19.1 2. Complete and balance the following redox equation using the smallest whole-number coefficients. What is the coefficient of Sn in the balanced equation? Sn + HNO 3 SnO 2 + NO 2 + H 2 O (acidic solution) A) 1 B) 2 C) 3 D) 4 E) 5 Ans: A Category: Medium Section: 19.1 3. Complete and balance the following redox equation. What is the coefficient of H 2 O when the equation is balanced using the set of smallest whole-number coefficients? MnO 4 + SO 3 2– Mn 2+ + SO 4 2– (acidic solution) 4. Complete and balance the following redox equation. What is the coefficient of H 2 S when the equation is balanced using the set of smallest whole-number coefficients? H 2 S + MnO 4 Mn 2+ + SO 4 2– (acidic solution) 5. Complete and balance the following redox equation. What is the coefficient of H 2 O when the equation is balanced with the set of smallest whole-number coefficients? H 2 O + MnO 4 + I MnO 2 + IO 3 (basic solution) 6. Complete and balance the following redox equation. What is the coefficient of OH when the equation is balanced using the set of smallest whole-number coefficients? MnO 4 + I MnO 2 + IO 3 (basic solution) A) 1 B) 2 C) 4 D) 10 E) None of these. Ans: B Category: Medium Section: 19.1
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