If the PH of a compound is 3.2 that compound is _____

CHEMISTRY
POST UTME UNICAL

If the PH of a compound is 3.2 that compound is _____

  • A) Amphoteric
  • B) A Salt
  • C) An Acid
  • D) A Base

Correct Answer: C) An Acid

Explanation

The pH scale ranges from 0 to 14, with 7 being neutral. A pH value below 7 indicates that a compound is acidic, while a pH value above 7 indicates that it is basic. In this case, the pH of the compound is 3.2, which is below 7.

Since the pH value is below 7, it indicates that the compound is anacid. Therefore, the correct answer isOption C: An Acid.

For more context, let's briefly discuss the other options:

  • Amphoteric: An amphoteric compound can act as both an acid and a base. However, the pH value given in this question specifically indicates that the compound is acidic.

  • A Salt: Salts are formed when an acid reacts with a base. They usually have a pH close to neutral (around 7), but some salts can also be acidic or basic depending on the strength of the acid and base that formed them. In this case, the pH value of 3.2 clearly indicates that the compound is acidic, not a salt.

  • A Base: Bases have a pH value above 7, so a compound with a pH of 3.2 cannot be a base.

    • In conclusion, a compound with a pH of 3.2 is acidic, making the correct answerOption C: An Acid.

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