Which of the following chlorine oxoacids is the strongest?
HClO
HClO2
HClO3
HClO4
With the same central atom, acid strength increases as the number of oxygens attached to it increases, so perchloric acid (HClO4) is the strongest.
reach: rather globalacidschemistry
Answers by country
HClO
HClO2
HClO3
HClO4
answers
Greece10
Malaysia21
Australia58
the United Arab Emirates12
Vietnam13
India475
the United Kingdom131
Pakistan44
Austria54
Switzerland27
Poland3239
Germany351
the United States212
the Netherlands16
Singapore14
Nigeria82
the Philippines32
Canada18
Ghana16