Two are true, one is not

Exercise and reference answers

Questions

1. False statement

   Molecularity may be fractional

   Statements

   1. Order may be fractional
   2. Molecularity is limited to 1, 2 or 3
   3. Molecularity may be fractional

2. False statement

   A rate law follows from the balanced equation

   Statements

   1. A rate law follows from the balanced equation
   2. A rate law is determined experimentally
   3. The rate constant is the proportionality factor

3. False statement

   It works by raising the activation energy

   Statements

   1. A catalyst lowers activation energy
   2. It works by raising the activation energy
   3. It works by offering an alternate path

Explanation