True or false: order and molecularity
Exercise and reference answers
- Questions
- Statement is true
- Yes
- Statement
- Order can be zero, a whole number, or a fraction.
- Statement is true
- No
- Statement
- Molecularity can be zero.
- Statement is true
- Yes
- Statement
- Molecularity is defined only for an elementary reaction.
- Statement is true
- Yes
- Statement
- For an elementary reaction, order and molecularity are the same.
- Statement is true
- No
- Statement
- Molecularity may take any value above 3.
Explanation
They agree only for an elementary reaction, which is the whole point of keeping them apart. Source: syllabus Chemistry Part I, Ch 3 Chemical Kinetics.
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