Question 1
The energy profile diagram is for a reaction that, once started at room temperature, goes essentially to completion. Which statement best explains why the reverse reaction does not occur to any noticeable extent?
WACE Chemistry multiple choice
Section One of the ATAR examination is 25 multiple-choice questions, with about 50 minutes suggested. Read every option before you choose: the wrong ones are built from common slips.
| Section One | 25 questions, 25% of the examination, about 50 minutes |
|---|---|
| Options | Four, one best answer |
| Our checks | Two timed 25-question multiple-choice checks in 50 minutes |
What the questions test
- Ideas from all five topics, often in a short scenario.
- Short calculations: pH, dilutions, titrations, cell potentials, gas volumes and yield, with the options built from common slips.
- Reading data: a table, an energy profile, a concentration-time graph or a titration curve.
Try 2 questions
Question 2
What is the IUPAC name of the compound CH₃CH₂C(CH₃)=CH₂?
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Questions people ask
How many multiple-choice questions are in the exam?
Section One has 25 multiple-choice questions, worth 25% of the examination, with about 50 minutes suggested.