Experimental device for demonstrating chemical equilibrium movement experiment

The utility model discloses an experiment device for demonstrating chemical equilibrium movement experiment, which belongs to the technical field of laboratory teaching aids, and comprises a Y-shaped tube, rubber plugs, a test tube rack and a needle cylinder injector, the rubber plugs are used for sealing three tube orifices of the Y-shaped tube, the needle cylinder injector penetrates into the rubber plugs on the tube orifice at the lower end of the Y-shaped tube, and the test tube rack is arranged on the test tube rack. Paraffin oil is contained in the Y-shaped tube and the needle cylinder injector, two tubes at the upper end of the Y-shaped tube are respectively a reaction tube and an air tube, mixed gas of NO2 and N2O4 is filled above the paraffin oil in the reaction tube, air is filled above the paraffin oil in the air tube, and the liquid level of the paraffin oil in the reaction tube and the liquid level of the paraffin oil in the air tube are kept flush. According to the utility model, through the Y-s