Drawing a graph between concentration change with time gives a:

Explanation

Drawing a graph between concentration change with time typically gives a representation of the rate of a chemical reaction. Such a graph is commonly known as a "rate-time" or "concentration-time" graph.In a rate-time graph, the concentration of a reactant or product is plotted on the y-axis (vertical axis), while time is plotted on the x-axis (horizontal axis). The graph shows how the concentration of the substance changes over time during the course of the reaction.The slope or steepness of the graph at a particular point represents the rate of the reaction at that time. A steeper slope indicates a higher rate of reaction, while a shallower slope suggests a slower rate. The shape of the graph can vary depending on the order of the reaction and the specific reaction kinetics.Typically, in a reaction involving the disappearance of a reactant, the concentration decreases over time, resulting in a downward-sloping curve. Conversely, in a reaction involving the formation of a product, the concentration increases over time, resulting in an upward-sloping curve.The rate-time graph provides valuable information about the reaction kinetics, including the initial rate, reaction order, and potential rate-determining steps. It allows for the quantitative analysis of the reaction rate and provides insights into the reaction mechanism and behavior.