Functional Groups — Prelims Questions

Which of the following functional groups is responsible for the characteristic acidic nature of carboxylic acids?

Consider the following statements regarding the reactivity of aldehydes and ketones: 1. Aldehydes are generally more reactive than ketones towards nucleophilic addition reactions. 2. Ketones are more easily oxidized than aldehydes. 3. Both aldehydes and ketones give a positive Tollens' test. Which of the statements given above is/are correct?

Which of the following compounds would give a positive test with both Lucas reagent and Chromic acid reagent?

Which of the following statements about the basicity of amines is correct?

Which of the following functional groups is found in both aspirin and triglycerides?