The species which is least likely to exist is
HOBr
HOBRO
HOBRO2
HOBRO3
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2
Answer:
The species HBrO₂ is least likely to exist.
Therefore, the option (2) is correct.
Explanation:
Halogens generally form four series of oxoacids namely hypohalous acids (+1 ), halous acids (+3 ), halic acids (+5 ) and perhalic acids (+7).
Bromine forms oxoacids:
- HOBr (Hypobromous acid),
- HOBrO₂ (Bromic acid)
- HOBrO₃ (Perbromic acid).
The only halous acid (HXO₂) which has been established in chlorous acid HClO₂. Thre remaining halous acid of halogens do not exist.
- Bromous acid HOBrO or HBrO₂ is least likely to exist in nature. as it decomposes into oxides and water vapour when trying to isolate it from their respective acid solutions.
To learn more about "Anhydride of oxoacids"
https://brainly.in/question/9598072
To learn more about "Oxoacids of fluorine"
https://brainly.in/question/1565208
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