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Question

What is hydrochloric acid on the pH scale?


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Solution

pH scale

  1. The pH scale is the scale that defines the acidic or basic strength of the solution. pH ranges from 1-to 14.
  2. The pH is the negative log of hydrogen ions concentration.

Types of solution on basis of pH value

  1. The pH ranges from 0 to 14 where 7 is neutral and below 7 it is acidic and above which it is basic.
  2. So, pH defines the strength of the solution whether it is acidic, basic, or neutral.

pH value of Hydrochloric acid HCl-

  1. Hydrochloric acid (HCl) is a strong acid and is a major component of gastric acid for the digestion of humans and most animals.
  2. Hydrochloric acid is also known as muriatic acid.
  3. It is a colorless solution with a pungent smell.
  4. It is used as an acidifying agent.
  5. It is a strong acid so its pH will be less than 7.
  6. Its pH ranges from 1.5 to 3.5.

Temperature effect on pH-

  1. An increase in temperature also increases the molecular vibration of concentration of [H+] ion for this decreases the tendency to forming hydrogen bonds, thus leading to a reduction in pH.

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