The formula for mustard gas is:
Correct answer: D. (C2H4Cl)2S
- A. (C2H2Cl2)2S
- B. (C2H4Cl2)2S
- C. (C2H3Cl2)2S
- D. (C2H4Cl)2S
Explanation
The correct formula for mustard gas is (C2H4Cl)2S. Mustard gas is a sulfur mustard with each carbon chain containing one chlorine atom, which is characteristic of its chemical structure. Option A is incorrect because it has two chlorine atoms per carbon, which is not the case for mustard gas. Option B is also incorrect as it suggests two chlorine atoms per carbon chain, unlike mustard gas. Option C is wrong because it indicates three hydrogen atoms per carbon, differing from the actual chemical structure of mustard gas.
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