Let's analyze the given chemical equation:
[tex]\[ A(g)+B(g) \rightarrow C(g) \][/tex]
### Step-by-step Solution:
1. Understanding the Reaction:
- This is a chemical reaction where two gases [tex]\( A(g) \)[/tex] and [tex]\( B(g) \)[/tex] react to form a product [tex]\( C(g) \)[/tex].
2. Effect of Concentration on Collision Frequency:
- In the context of gases, the rate at which reactions occur depends largely on the frequency of collisions between the reacting molecules.
- According to collision theory, for a reaction to occur, the reactant molecules must collide with sufficient energy and proper orientation.
3. Increasing Concentration:
- If the concentration of [tex]\( A(g) \)[/tex] is increased, this means there are more molecules of [tex]\( A(g) \)[/tex] present in a given volume.
4. Impact on Collision Frequency:
- With more molecules of [tex]\( A(g) \)[/tex] present, the likelihood of [tex]\( A(g) \)[/tex] molecules colliding with [tex]\( B(g) \)[/tex] molecules increases.
- Hence, the frequency of collisions between [tex]\( A(g) \)[/tex] and [tex]\( B(g) \)[/tex] will increase.
Therefore, based on the above analysis, the correct answer is:
(2) increases.
