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Lecture_Notes_101909b

Lecture_Notes_101909b - ELECTROCHEMISTRY Zumdahl Chapter 17...

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Unformatted text preview: ELECTROCHEMISTRY Zumdahl Chapter 17 Oxidation-Reduction Reactions y Redox – a shorter way of saying oxidation- reduction reactions, electrons are being transferred from one atom to another y Oxidation – loss of electrons y Reduction – gain of electrons y Oxidizing Agent – what is being reduced y Reducing Agent – what is being oxidized Oxidation Number y Oxidation Number – the “charge” on the element as if it were an ion when dissolved in water What is the oxidation state on all of the atoms in KHSO 4 ? K + 1 ; H + 1 ; S- 2 ; O- 2 K + 1 ; H + 1 ; S + 6 ; O- 2 K + 1 ; H + 1 ; S + 7 ; O- 2 K + 1 ; H- 1 ; S + 7 ; O- 2 C a n n o t b e d e t e r m i n e d 6% 91% 2% 0% 2% 1. K +1; H +1; S -2; O -2 2. K +1; H +1; S +6; O -2 3. K +1; H +1; S +7; O -2 4. K +1; H -1; S +7; O -2 5. Cannot be determined What are the oxidation states on Cl in the following ions: ClO- , ClO 2- ; ClO 3- ; ClO 4- ?...
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Lecture_Notes_101909b - ELECTROCHEMISTRY Zumdahl Chapter 17...

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