Question

Which statement is correct for the reaction below?

4X + Z yields 2R + 2S

The rate of formation of R is one-half the rate of the disappearance of Z.

The rate of disappearance of Z is one-fourth of the rate of disappearance of X.

The rate of formation of R is double the rate of formation of S.

The rate of formation of S is double the rate of disappearance of X.

Answer 1

im stuck between a and b

Answer 2

think its b