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Name two poisonous gases which can be pr...

Name two poisonous gases which can be prepared from chlorine gas.

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Phosgene `(COCI_2)` and tear gas `(C Cl_3 NO_2)`.
Mustard gas `(ClCH_2 CH_2 SCH_2 CH_2 Cl)` another poisonous gas is also prepared from `Cl_2`.
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BETTER CHOICE PUBLICATION-THE P-BLOCK ELEMENTS-QUESTION BANK
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  3. Name two poisonous gases which can be prepared from chlorine gas.

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  10. Explain why fluorine forms only one oxoacid, HOF.

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  11. Explain why perchloric acid is a strong acid than sulphuric acid.

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  18. Why ClF3 exists, but FCl3 does not exist ?

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