Question: According to the titration curve acid A is select one [weak / strong]

Question

Question:

According to the titration curve acid A is select one [weak / strong] because the pH select one [resists change at 50% titration / changes dramatically when 100% titrated].

pH starts at 1.5 so it looks like a strong acid, but it doesn't dissociated completely until close to 100% titration. Any help appreciated.

Titration Curve of Acid A 9 8 7 6 0 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 OH added (equivalents) According to the titration curve above, acid A is weak because the pH [Select ] weak strong changes dramatically when 1 v [Select ] resists change when 50% titrated changes dramatically when 100% titrated

Explanation / Answer

Acid A is a weak acid. Reason is given below and the graph is used in reason is the one in the question:-

The titration curve is a graph of the volume of titrant, or in our case the volume of strong base, plotted against the pH. There are several characteristics that are seen in all titration curves of a weak acid with a strong base. These characteristics are stated below.

A+H2OAH+OH

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