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Which of the following statement is/are true? I. Acids are sour in taste II. Bases are bitter in taste

Which of the following statement is/are true? I. Acids are sour in taste II. Bases are bitter in taste Correct Answer Both I and II

Acids:

  • An acid is a molecule or ion capable of either donating a proton (i.e., hydrogen ion, H+), known as a Brønsted–Lowry acid, or, capable of forming a covalent bond with an electron pair, known as a Lewis acid.
  • Acids taste sour because of their hydrogen ion concentration while tasting the tongue gains ions and it registers the flavour as sour.
  • Acidity can be measured by the pH level of a solution.
  • Acids are solutions which have a pH lower than 7.
  • The lower the solution or compound on the pH scale, the sourer it tastes due to the high concentration of hydrogen ion.
Bases:
  • Base is a substance which dissociates in aqueous solution to form Hydroxide ions OH−
  • A soluble base is called an alkali.
  • Bases are solutions which have a pH greater than 7. They release OH- ions in aqueous solution.
  • Bases feel slippery to touch and they taste bitter.

Hence, we conclude that Both I and II statements are true.

Additional Information

Acid/Base Concept

Acid Properties

Base Properties

Arrhenius

Gives out H+ in an aqueous medium.

Gives out OH- in an aqueous medium.

Bronsted- Lowry

Gives out H+.

Accepts H+.

Lewis

Accepts lone pair of electrons.

Donates lone pair of electrons.

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