Chemistry
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ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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10.What is the oxidation number for Cr in Cr2O72-
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+2
+3
+5
+6
+7
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- What's the oxidation number of th chloride atom ((CI) in HCIO2?arrow_forwardas XC O What is the oxidation half-reaction (after equalizing electrons) for the redox reaction below? Hints: This equation covalent species; chlorine has an oxidation state of -1 in each of the compounds shown below. 2 TICI4 + H2 --> 2 TİCI3 + 2 HCI 1) A pure ("free") element has an oxidation state of 0. 2) The oxidation state for a monatomic ion (e.g. Ca2+, S2-) is equal to the ion charge. 3) Fluorine has an oxidation state of-1 in all of its compounds. 4) Hydrogen has an oxidation state of +1, except when it is combined with metals (-1). 5) Oxygen almost always has a -2 oxidation state. 6) Chlorine, bromine, and iodine have a -1 oxidation state, except when combined with fluorine or oxygen.* O2 Tit-> 2 Ti + 2 e OH2 + 2 e --> 2 H* O H - 2 H* + 2e 4 C- 3 CI + e 2 Ti + 2 e-- 2 Ti DELL increasing priorityarrow_forwardHow will you recognize that a single replacement reaction occurs when you combine an active metal with CuSO4 solution?arrow_forward
- 2+ 2+ 27. Which species will oxidize Cr²+ but not Mn²+? A) V³+ 4+ B) Pb4 C) Zn2+ D) Fe²+ 2+ E) O3arrow_forward7 What is the oxidation number of Cr in Cr₂O₂²-? Technically if it is positive it should be noted as such but this format will not allow me set +? vs just ?. If it's negative make sure to type in -?arrow_forwardWhat is the oxidation state of an individual sulfur atom in SO,2- Express the oxidation state numerically (e.g., +1). ?arrow_forward
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