NURSING EXAM QUESTIONS
BIOCHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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OH-
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H+
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Either A or B
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None of the above
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Detailed explanation-1: -The lower the pH, the higher the concentration of hydrogen ions, and the more acidic a solution is. Alkaline or basic solutions have lower concentrations of hydrogen ions and a pH above 7.
Detailed explanation-2: -The higher the H+ ion concentration is, the lower the pH of the solution. The pH scale is generally presented as running from 0 to 14, though it is possible to have a pH of less than 0 or greater than 14. For example, a highly concentrated 3.0M of HCl has a negative pH.
Detailed explanation-3: -As a solution gets more acidic (as [H+] increases), the pH decreases. As a solution gets more basic (higher [OH-]), the pH increases. As the pH of a solution decreases by one pH unit, the concentration of H+ increases by ten times.