The pH of Fluoroantimonic acid is -31.3 and that of o-diethynylbenzene dianion is 37.4 how can we explain abnormal pH. If we use the general logarithmic formula to get pH it is invalid. Moreover, the pH should range from 0-14
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2$\begingroup$ Why do you expect all acids to lie within the conventional pH range? As you mentioned, some acids, like fluoroantimonic acid, defy this assumption. See why-is-fluoroantimonic-acid-so-strong? $\endgroup$– Cuckoo BeatsCommented Dec 14 at 2:54
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2$\begingroup$ It's not the pH value you should be looking. It doesn't exist for them. The value here are H0 values. See: chemistry.stackexchange.com/questions/103705/… $\endgroup$– Nilay GhoshCommented Dec 14 at 3:15
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3$\begingroup$ Before asking why, ask if. The premises of your question are wrong. And even for ordinary acids and bases, pH parameter is not their attribute. $\endgroup$– PoutnikCommented Dec 14 at 6:53
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1$\begingroup$ Review the guide How to ask and Asking FAQs to prevent clarification requests, objections, downvoting or closure. $\endgroup$– PoutnikCommented Dec 14 at 6:55
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