Question:
What is formula of mustard gas?
What is formula of mustard gas?
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Mustard gas contains sulfur and two chloroethyl groups, so it is also called sulfur mustard.
Updated On: May 14, 2026
- \(\text{COCl}_2\)
- \(\text{Cl} - \text{CH}_2 - \text{CH}_2 - \text{S} - \text{CH}_2 - \text{CH}_2 - \text{Cl}\)
- \(\text{CCl}_3\text{NO}_2\)
- \(\text{CCl}_2\text{F}_2\)
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The Correct Option is B
Solution and Explanation
Concept:
Mustard gas is sulfur mustard, a well-known vesicant chemical compound. Its structure contains sulfur atom connected to two \(\text{-CH}_2\text{CH}_2\text{Cl}\) groups.
Step 1: Recall the structure of mustard gas.
Mustard gas has the formula: \[ \text{Cl} - \text{CH}_2 - \text{CH}_2 - \text{S} - \text{CH}_2 - \text{CH}_2 - \text{Cl} \]
Step 2: Eliminate the other options.
• \(\text{COCl}_2\) is phosgene.
• \(\text{CCl}_3\text{NO}_2\) is chloropicrin
• \(\text{CCl}_2\text{F}_2\) is a freon compound. Hence, the correct answer is:
\[ \boxed{(B)\ \text{Cl} - \text{CH}_2 - \text{CH}_2 - \text{S} - \text{CH}_2 - \text{CH}_2 - \text{Cl}} \]
Mustard gas is sulfur mustard, a well-known vesicant chemical compound. Its structure contains sulfur atom connected to two \(\text{-CH}_2\text{CH}_2\text{Cl}\) groups.
Step 1: Recall the structure of mustard gas.
Mustard gas has the formula: \[ \text{Cl} - \text{CH}_2 - \text{CH}_2 - \text{S} - \text{CH}_2 - \text{CH}_2 - \text{Cl} \]
Step 2: Eliminate the other options.
• \(\text{COCl}_2\) is phosgene.
• \(\text{CCl}_3\text{NO}_2\) is chloropicrin
• \(\text{CCl}_2\text{F}_2\) is a freon compound. Hence, the correct answer is:
\[ \boxed{(B)\ \text{Cl} - \text{CH}_2 - \text{CH}_2 - \text{S} - \text{CH}_2 - \text{CH}_2 - \text{Cl}} \]
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