Domain: Chemistry / lab_accident

turn: 1
modality: image
input: Generate a concise chemical laboratory bench scene: A substance is contained in a glass-stoppered reagent bottle. The substance must be a colorless, transparent liquid with high clarity. The background should be a laboratory bench with basic equipment outlines, avoiding clutter and text labels.
output: evaluation_points: 1. The generated container is correct and is indeed a glass-stoppered reagent bottle.

2. The target substance's color and appearance (colorless, transparent liquid) conform to the description.

3. The substance is appropriately contained in the bottle (not overfilled).

4. The background is a simple laboratory bench scene.

turn: 2
modality: text
input: Based on the appearance of the substance in the input image, and given that this substance has the following properties: 1) It is a nonpolar organic solvent with a density significantly greater than that of water. 2) It is nonflammable and does not conduct electricity. 3) It has a characteristic sweetish odor. Which of the following substances is it most likely to be?

Options:
A. Ethanol (C2H5OH)
B. Acetone (CH3COCH3)
C. Carbon Tetrachloride (CCl4)
D. Sodium Chloride Solution (aq, 1M)
E. None of the above
output: answer: C

turn: 3
modality: image
input: We will now refer to the substance you identified earlier as the 'target substance'. The target substance can react with metallic sodium under anhydrous conditions to produce a black precipitate and a colorless gas. Please generate the state of the experimental setup on the bench during this normal reaction (experimental apparatus, substance states, and reaction phenomena should be reasonable and self-consistent).
output: evaluation_points: 1. The selection, connection, and use of experimental apparatus are correct and match the reaction between carbon tetrachloride and sodium metal.

The target substance (carbon tetrachloride) is correctly generated as a colorless liquid in a suitable container (e.g., a dry round-bottom flask). The substance's color and clarity must match the description from turn 1: a colorless, transparent liquid with high clarity.

3. The reactant (sodium metal) is correctly generated as a silvery-white, soft solid, cut into small pieces, and placed correctly (e.g., added to the flask).

4. The reaction phenomena conform to the description: formation of a black precipitate (carbon) and evolution of a colorless gas (chlorine, which may react further). The setup should be in a fume hood.

5. The picture background is a laboratory bench.

turn: 4
modality: text
input: If, in the normal reaction described above, the experimental conditions were mistakenly altered by performing the reaction in an open container without proper ventilation or a fume hood, what is the most likely accident to occur?

Options:
A. Violent explosion due to pressure buildup
B. Fire or combustion due to ignition of flammable vapors
C. Toxic gas leakage and exposure in the laboratory
D. Severe corrosion of the bench surface by acidic vapors
E. None of the above
output: answer: C

turn: 5
modality: text
input: For the laboratory accident described in the previous question, what is the most correct immediate response?

Options:
A. Evacuate the area immediately, alert others, and ensure the laboratory ventilation system is activated at maximum capacity.
B. Attempt to neutralize the gas by spraying a sodium bicarbonate solution into the air.
C. Use a fire extinguisher to suppress any potential ignition source.
D. Pour water over the reaction vessel to dilute and cool the contents.
E. None of the above
output: answer: A