How many times will the rate of the elementary reaction 3X + Y X2Y c – McqOptions

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1.	How many times will the rate of the elementary reaction 3X + Y X₂Y change if the concentration of the substance X is doubled and that of Y is halved?
A.	r<sub>2</sub>= 4.5r<sub>1</sub>
B.	r<sub>2</sub>= 5r<sub>1</sub>
C.	r<sub>2</sub>= 2r<sub>1</sub>
D.	r<sub>2</sub>= 4r<sub>1</sub>
Answer» E.

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