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P BLOCK ELEMENTS
Question #41470
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Question
What is the third poisonous gas explicitly mentioned as being preparable from chlorine gas?
A. Phosgene (COCl₂)
B. Tear gas (CCl₃NO₂)
C. Mustard gas (ClCH₂CH₂SCH₂CH₂Cl)
D. Nitrogen dioxide (NO₂)
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