5,6,7,8 please explain answer 4. In the reaction Br, + 20H. OBr + Br + H2O the r

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5,6,7,8
please explain answer

4. In the reaction Br, + 20H. OBr + Br + H2O the reducing agent and the oxidizing agent are. H,0 the reducing agent and the oxidizing agent are, respectively CBn and OBr D Br.nd Br E.Br, and Bn A. Br: and Ol forget implied coefficants of "1") A. 9 B. 18 C. 12 it and Bri S. The following reaction occurs in basi D. 23 E. 29 6. How many moles of electrons are transferred in the following reaction'? A. 12 B. 5 D. 30 E 10 7. Th ollowing reactn ccrsn cii soution, st s the sum of th coefcits i banced equstio (Don't forget implied coefficients of" ! A. 32 B9 C 6 D. 79 E 43 8. When molten sodium is electrolyzed using inert electrodks, which of the following statements is NOT true? A. CI ions are oxidized C. Na"ions are oxidized E. all of the above B. Na and Ct ions carry the current through the molben liquid D. Clh gas is formed 9. How many coulombs of charge a required to cause reduction of 0.20 mol of Crto Cr? A. 0.60 C B. 30CC 29x10'CD. 5.8 x 10 C E. 9.65 10 c 10. How many Faradays, F, are transferred in an clectrolysis cell when a current of 2.0 amperes flows for 12 hours? A 24 F B. 86x10 c 090 F D 6.2 x 10 F E LI F

Explanation / Answer

6) 10 electrons (E)
2ClO3- -> Cl2
Oxidation state of chlorine atoms in the above equation is +5 and 0 respectively.
2*5 = 10

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