MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
| 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. | |