Question

____ Cl2 +____ KI ---> ____ KCl + ____I2

Choose the correct coefficients for the above equation.
A. 1,2,2,1

B. 2,1,2,1

C. 1,2,1,1

D. 1,1,2,2

Answer 1

A 1,2,2,1
Because then on both sides are two chlorines, two iodines and two potassium.