Yes, acids with pH below 0 and bases with pH above 14 are called superacids and superbases, respectively. The actual pH scale is only 0-14, but some acids and bases fall outside of those bounds, since the scale is only for aqueous solutions (dissolved in water).
Previous answer does not understand the meaning of the term superacid, and pH is not defined as only 0-14. For example, the pH of concentrated HCl (12.1 M) that you would find in a chemical stockroom is -1.08. It is not a superacid, just highly concentrated. pH is commonly defined as -log ([H3O+]), and the output of this function has no limited range. Similarly, concentrated NaOH solution will have pH 15.25, but that does not make it a superbase.
At such large concentrations the accuracy of the above-stated method for deriving pH breaks down due to activity-coefficient variation. It would, in such a case, be more useful to use the Hammett Acidity Function to describe the acidity of such a solution. While the generalization that any acid outside the range of 0-14 is a superacid admittedly contains a Eulerian fallacy, it is within the realm of understanding of most basic IO Chem students. Perhaps, then, a better answer for the original question would simply be "Yes."
Oh, dude, a pH of 8 is definitely more basic than a pH of 6. It's like comparing a chill day at the beach to accidentally eating a spicy pepper. pH scale goes from 0 to 14, so 8 is closer to neutral (7) than 6, which is getting a bit acidic.
No, pH 9 is actually more basic (alkaline) than pH 4. The pH scale is logarithmic, so each unit is 10 times more acidic or basic than the unit next to it. pH 4 is more acidic than pH 9.
A strong acid always has a pH much lower than 14.
Concentrated bases (more than 2M/L) as sodium hydroxide for example.
Yes, though measurement is not easily done (pH-potentiometry) in concentrated alkali solution. The pH can be greater than 14 or lower than 0 in solutions with very high concentrations of [OH]- or [H]+ (> 1.0 M). And it isn't that important to know how much over 14 or under 0, is it?
Values of pH under 0 and over 14 are possible.
Yes. It may even have more than 14.
There were 14 pH brothers that developed the method of testing acidity in 1809
pH = 14 is basic pH = 7 is neutral pH - 1 and 2 are acidic; pH = 1 is more acidic than pH = 2 Therefore a solution at pH 1 has higher concentration of H+ than at pH 14
The pH of a basic solution is greater than 7. Basic solutions have a pH between 7.1 and 14. A pH value above 7 indicates a solution is basic or alkaline.
The pH scale is logarithmic and as a result, each whole pH value below 7 is ten times more acidic than the next higher value. For example, pH 4 is ten times more acidic than pH 5 and 100 times (10 times 10) more acidic than pH 6. The same holds true for pH values above 7, each of which is ten times more alkaline (another way to say basic) than the next lower whole value. For example, pH 10 is ten times more alkaline than pH 9 and 100 times (10 times 10) more alkaline than pH 8.
PH can be less than 0 and it can be more than 14. PH is -log of (H ) concentration. According to this the PH Of 1 M strong acid such as Hcl would be 0. similarly ... 10 M = pH -1 0.1 M = pH 1 0.01M = PH 2 0.001M = PH 3 0.0001M = PH 4 The pH scale is between 0-14 because the solution with which we generally encounter is in 0-14 range.
Yes, bases have a pH greater than 7. They typically have pH values higher than 7 up to 14, indicating their alkaline nature.
Oh, dude, a pH of 8 is definitely more basic than a pH of 6. It's like comparing a chill day at the beach to accidentally eating a spicy pepper. pH scale goes from 0 to 14, so 8 is closer to neutral (7) than 6, which is getting a bit acidic.
No. pH is scaled from 0-14. there is nothing higher than 14, and nothing lower than 0.
Yes, a solution with a pH of 5.2 is more acidic than a solution with a pH of 7.4. The pH scale ranges from 0 to 14, with lower values indicating higher acidity and higher values indicating higher alkalinity. A pH of 5.2 is closer to the acidic end of the scale compared to a pH of 7.4.
pH 2. The lower the number is the more acidic it is. pH 7 is neutral, pH 14 is least acidic. 5.4 is considered acid rain.