Which of the following statements is true regarding the rate of reaction?
Practice Questions
1 question
Q1
Which of the following statements is true regarding the rate of reaction?
It is always constant
It decreases with time for a reactant
It increases with time for a product
Both B and C
The rate of reaction decreases with time for a reactant and increases with time for a product.
Questions & Step-by-step Solutions
1 item
Q
Q: Which of the following statements is true regarding the rate of reaction?
Solution: The rate of reaction decreases with time for a reactant and increases with time for a product.
Steps: 7
Step 1: Understand what a reaction rate is. It tells us how fast a chemical reaction happens.
Step 2: Identify the two main components in a reaction: reactants (the starting materials) and products (the substances formed).
Step 3: Realize that as reactants are used up in a reaction, their amount decreases over time.
Step 4: Note that as reactants decrease, the rate at which they react also decreases. This means the rate of reaction for reactants goes down over time.
Step 5: Conversely, as products are formed, their amount increases over time.
Step 6: Understand that as products accumulate, the rate of formation of products increases. This means the rate of reaction for products goes up over time.
Step 7: Conclude that the statement 'the rate of reaction decreases with time for a reactant and increases with time for a product' is true.
