The reaction between xylose and nitric acid involves the formation of reaction intermediates, which are temporary species that are produced and consumed during the course of the reaction. The concentration of these intermediates can affect the rate of the overall reaction.In general, increasing the concentration of reaction intermediates can lead to an increase in the rate of the reaction. This is because a higher concentration of intermediates means that there are more reactive species available to participate in the reaction, leading to a higher probability of successful collisions between reactant molecules.However, it is important to note that the effect of intermediate concentration on the rate of reaction can also depend on the specific reaction mechanism and the nature of the intermediates involved. In some cases, increasing the concentration of intermediates may not have a significant effect on the reaction rate, or it may even lead to a decrease in the rate if the intermediates are involved in side reactions that compete with the main reaction pathway.In the case of the reaction between xylose and nitric acid, the specific effect of intermediate concentration on the reaction rate would depend on the detailed reaction mechanism, which may involve several steps and intermediates. To determine the exact effect, a thorough investigation of the reaction mechanism, including experimental studies and/or computational modeling, would be required.