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Chapter 9, Problem 9.4P

The pyrolysis of acetaldehyde is believed to take place according to the following sequence:

CH 3 CHO k 1 CH 3 + CHO CH 3 + CH 3 CHO k 2 CH 3 + CO + CH 4 CHO + CH 3 CHO k 3 CH 3 + 2 CO + H 2 2 CH 3 k 4 C 2 H 6

  1. (a) Derive the rate expression for the rate of disappearance of acetaldehyde, −rAc.
  2. (b) Under what conditions does it reduce to the equation at the beginning of Section 9.1 on page 334?
  3. (c) Sketch a reaction pathway diagram for this reaction. Hint: See margin note on page 338.
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