KI + Cl2 ---> KCl + I2
Balance the single replacement chemical reaction.
A) KI + Cl2 ---> KCl + I2
B) KI + Cl2 ---> 2KCl + I2
C) 2KI + Cl2 ---> 2KCl + I2
D) 2KI + 2Cl2 ---> 2KCl + 2I2
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The given equation is
KI + Cl2 ---> KCl + I2.
After balancing the Chemical equation the balanced equation would be
2KI + Cl2 ---> 2KCl + I2.
Hence the correct answer would be C. It can be referred as an oxidation-reduction or redox reaction:
2 I-I - 2 e- → 2 I0 (oxidation), 2 Cl0 + 2 e- → 2 Cl-I (reduction)
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