MCQ
An organic weak acid is :
- ✓Formic acid
- BSulphuric acid
- CNitric acid
- DHydrochloric acid
✓
Answer
Correct option: A.
Formic acid
(a) Formic acid
Explanation : Organic weak acids tend to have carboxyl functional groups $( COOH )$ and do not completely ionise in solution, resulting in a weaker acidic behaviour compared to strong mineral acids. From the given options, formic acid $(HCOOH$) is an example of an organic weak acid whereas sulphuric acid $\left( H _2 SO _4\right)$, nitric acid $\left( HNO _3\right)$, and hydrochloric acid $( HCl )$ are strong mineral acids.
Explanation : Organic weak acids tend to have carboxyl functional groups $( COOH )$ and do not completely ionise in solution, resulting in a weaker acidic behaviour compared to strong mineral acids. From the given options, formic acid $(HCOOH$) is an example of an organic weak acid whereas sulphuric acid $\left( H _2 SO _4\right)$, nitric acid $\left( HNO _3\right)$, and hydrochloric acid $( HCl )$ are strong mineral acids.
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