Question

Explain the term pH.

Answer 1

pH:

• The term pH is defined as the negative logarithm of hydrogen ion concentration.
• $\mathrm{Ph}=-\log \left[{\mathrm{H}}^{+}\right]$
• It is also termed as the power of hydrogen or the potential of hydrogen.
• This scale ranges from 0 to 14.
• Acids have a value of pH ranging from 0 to 7.
• Bases have a value of pH ranging from 7 to 14.
• Neutral solutions have a pH value of 7.