Question: Balance these redox reactions by the half reaction method. a. Br + I2 ( I + Br2 b. CrCl3 + F2 ( CrF3 + Cl2

Balance these redox reactions by the half reaction method.
a. Br− + I2 ( I− + Br2
b. CrCl3 + F2 ( CrF3 + Cl2

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