Multiple Choice
Which of the following reactions is a redox reaction?
a. K2CrO4 + BaCl2 - BaCrO4 + 2KCl
b. Pb22+ + 2Br- - PbBr
c. Cu + S - CuS
A) (a) only
B) (b) only
C) (c) only
D) (a) and (c)
E) (b) and (c)
Correct Answer:

Verified
Correct Answer:
Verified
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