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How to distinguish between toluene and ethylbenzene? This is a question that requires careful observation and understanding of chemical properties. Toluene and ethylbenzene are both common chemical raw materials and hazardous chemicals, and distinguishing them is very important for chemical workers. Generally speaking, we can distinguish between physical and chemical properties

We can distinguish them based on their physical properties. Toluene and ethylbenzene are both transparent liquids at room temperature, but their boiling points and densities are different. The boiling point of toluene is 111 ° C, and the density is 0.87g/mL; And the boiling point of ethylbenzene is 136 ° C, with a density of 0.86g/mL. By measuring boiling point and density, we can distinguish whether they are toluene or ethylbenzene

We can distinguish them based on their chemical properties. Toluene and ethylbenzene undergo different chemical reactions under different conditions, which is a characteristic that we can utilize. For example, under the action of chlorine gas, toluene undergoes chlorination reaction to produce para - and ortho chlorinated products; Ethylbenzene, on the other hand, generates meta - and para chlorinated products. By chlorinating it, we can distinguish between toluene and ethylbenzene

In addition to the methods introduced above, there are other specific experimental methods that can help us distinguish toluene from ethylbenzene, such as chromatography, infrared spectroscopy, etc. Different methods have different sensitivities and accuracies, and we can choose the appropriate method to distinguish according to the actual situation

In short, distinguishing between toluene and ethylbenzene requires us to have a certain understanding of chemical knowledge and experience in experimental operations. By observing their physical and chemical properties, we can accurately distinguish between toluene and ethylbenzene. This is very helpful for our operations in chemical production and experimentation.