August 2018 NY Regents Chemistry Exam
43 The equation below represents a reaction between two molecules, X2 and Z2. These molecules form an “activated complex,” which then forms molecules of the product.
Which diagram represents the most likely orientation of X2 and Z2 when the molecules collide with proper energy, producing an activated complex?
Solution: All we need to do is to look at the activated complex and match the orientation in the answer choices to it. In the complex we see two black dots vertically on the left and two white dots vertically on the right.
Answer: 2
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