Which of the Following Statements Is Correct for the First-Order $\to$

Multiple Choice

Which of the following statements is correct for the first-order reaction: A $\to$ 2B?

A) The concentration of A decreases linearly with respect to time.
B) The concentration of A is constant with respect to time.
C) The natural logarithm of the concentration of A decreases linearly with respect to time.
D) The rate of reaction is constant with respect to time.
E) The rate constant,k,of the reaction decreases linearly with respect to time.