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Question
What types of oxoacids are formed by halogens? Mention the oxidation states of halogens in them.
Short Answer
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Solution
Fluorine forms only one oxoacid, hypofluorous acid (HOF). Chlorine, bromine and iodine form the following four types of oxoacids:
- Hypohalous acids (HXO)
- Halous acids (HXO2)
- Halic acids (HXO3)
- Perhalic acids (HXO4)
| Oxidation state of halogen atom | Oxoacids of chlorine | Oxoacids of bromine | Oxoacids of iodine |
| +1 | HClO (Hypochlorous acid) | HBrO (Hypobromous acid) | HIO (Hypoiodous acid) |
| +3 | HClO2 (Chlorous acid) | - | - |
| +5 | HClO3 (Chloric acid) | HBrO3 (Bromic acid) | HIO3 (Iodic acid) |
| +7 | HClO4 (Perchloric acid) | HBrO4 (Perbromic acid) | HIO4 (Periodic acid) |
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Chapter 7: p-Block Elements - SHORT ANSWER TYPE QUESTIONS [Page 488]
