Add the appropriate chemicals so that the following redox equations are balanced. Add H2O if needed.  a. acidic solution ___ MnO4- + ___ HS- -> ___ S + ___ MnO2  b. basic solution ___ Br2 + ___ SO2 -> ___ SO42- + ___ Br-

Question 3

The following fictitious unbalanced REDOX reaction is made of some teachers initials and some Oxygen. Balance the following REDOX reaction on a piece of paper and show ALL EIGHT steps. Ch2+  + ShO4–   Sh2+ + Ch3+   (acidic solution) Check if the atoms and charge are balanced on both sides of the equation.

5) Balance each of the following redox reactions. Assume acidic conditions for a-c and basic conditions for d. Be sure to show your work and ALL steps. a. CrO42+ Fe → Cr³+ + Fe3+ OnM M O

9727/variants/1189727/take/8/ 88 MULTIPLE CHOICE Question 8 Given the redox reaction, 2Fe+3 +3Zn 2Fe + 3Zn, where is the transfer of electrons while the reaction takes place? A from Fe+³to Zn B from Zn to Fe+3 C from Zn+2 to Fe D from Fe to Zn+2

When a metal oxidized, what is happening chemically?a. The metal atoms gain electrons.b. The metal is combining with nitrogen gas.c. Electrons are not involved.d. The metal atoms lose electrons.e. none of these Balance the following redox equation in an acidic solution based half reaction method:  MnO4- +     I-  +     H+   ⟶   Mn2+    +   H2O   +    I2

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