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Why Is Citric Acid A Weak Acid?

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A weak acid is defined as an acid that does not completely ionize in any solution, for example carbonic acid and ascetic acid. For instance, if the acid is symbolized as HA, then in an aqueous solution a significant quantity of HA that is not associated will still remain: HA(aq) ↔ H+(aq) + A¯(aq)
Strength of an acid or for that matter an alkali is defined by specifically by the number of H+ / OH- in its solution. A weak acid will be the one which has very few H+ or OH- ions in its solution especially when compared to the solution of a strong acid. Citric acid is a weak acid, because in its solution it has very small quantities of H+ ions.
Citric acid is an organic acid. Most organic acids are weak acids. Citric acid is found in citrus fruits like limes and oranges. At room temperature Citric acid is a crystalline powder usually white in colour. It was discovered in the eighth century by the Muslim Alchemist Jabir Ibn Hayyan

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