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The acids which do not contain -COOH gro...

The acids which do not contain -COOH group are :

A

Propionic acid

B

Picric acid

C

Carboxylic acid

D

Lactic acid.

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The correct Answer is:
To solve the question regarding which acids do not contain the -COOH group, we will analyze each option provided. ### Step-by-Step Solution: 1. **Identify the Given Acids**: The question provides four acids: propanoic acid, picric acid, carboxylic acid, and lactic acid. We need to check each one for the presence of the -COOH group. 2. **Analyze Propanoic Acid**: - Structure: Propanoic acid has the formula CH3CH2COOH. - Conclusion: Since it contains the -COOH group, it cannot be the answer. 3. **Analyze Picric Acid**: - Structure: Picric acid has the formula C6H3N3O7, which can be represented as having three -NO2 groups and one -OH group. - Conclusion: Since it does not contain the -COOH group, it is a potential answer. 4. **Analyze Carboxylic Acid**: - Definition: Carboxylic acids are defined by the presence of the -COOH group. - Conclusion: Since it inherently contains the -COOH group, it cannot be the answer. 5. **Analyze Lactic Acid**: - Structure: Lactic acid has the formula CH3CHOHCOOH. - Conclusion: Since it contains the -COOH group, it cannot be the answer. 6. **Final Conclusion**: The only acid among the options that does not contain the -COOH group is **picric acid**. ### Final Answer: The acids which do not contain -COOH group are: **Picric Acid**. ---
To solve the question regarding which acids do not contain the -COOH group, we will analyze each option provided. ### Step-by-Step Solution: 1. **Identify the Given Acids**: The question provides four acids: propanoic acid, picric acid, carboxylic acid, and lactic acid. We need to check each one for the presence of the -COOH group. 2. **Analyze Propanoic Acid**: - Structure: Propanoic acid has the formula CH3CH2COOH. ...
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