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Ch.16 - Acid-Base Equilibria
Brown - Chemistry: The Central Science 14th Edition
Brown14th EditionChemistry: The Central ScienceISBN: 9780134414232당신이 사용하는 게 아니라요?교과서 변경
16장, 문제 111

Ritalin is the trade name of a drug, methylphenidate, used to treat attention-deficit/hyperactivity disorder in young adults. The chemical structure of methylphenidate is Chemical structure of ibuprofen, a common pain reliever.
(a) Is Ritalin an acid or a base? An electrolyte or a nonelectrolyte?

검증된 단계별 안내
1
Step 1: Identify the functional groups in the chemical structure of methylphenidate. Look for groups that can donate or accept protons (H+).
Step 2: Determine if the molecule has any acidic or basic functional groups. Acids typically have carboxyl groups (-COOH), while bases often have amine groups (-NH2).
Step 3: Assess the molecule's ability to dissociate in water. Electrolytes dissociate into ions in water, while nonelectrolytes do not.
Step 4: Compare the structure of methylphenidate to known acids, bases, electrolytes, and nonelectrolytes to make an informed decision.
Step 5: Conclude whether Ritalin (methylphenidate) is an acid or a base, and whether it is an electrolyte or a nonelectrolyte based on the functional groups and dissociation properties.

비슷한 문제에 대한 검증된 영상 답변:

이 영상 해법은 위 문제에 도움이 된다고 튜터들이 추천한 것입니다.
영상 길이:
2m

주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Acids and Bases

Acids are substances that can donate protons (H+) in a solution, while bases can accept protons. The strength of an acid or base is determined by its ability to dissociate in water. Understanding whether a compound behaves as an acid or a base is crucial for predicting its reactivity and interactions in biological systems.
추천 영상:
가이드 코스
02:00
Arrhenius Acids and Bases

Electrolytes

Electrolytes are substances that dissociate into ions when dissolved in water, allowing the solution to conduct electricity. Strong electrolytes completely dissociate, while weak electrolytes partially dissociate. Identifying whether a compound is an electrolyte or nonelectrolyte is important for understanding its behavior in physiological conditions and its effects on cellular functions.
추천 영상:
가이드 코스
02:50
Electrolytes and Strong Acids

Chemical Structure and Functional Groups

The chemical structure of a compound, including its functional groups, determines its chemical properties and biological activity. For example, the presence of carboxylic acid groups (-COOH) can indicate acidic behavior, while amine groups (-NH2) can suggest basic properties. Analyzing the structure of methylphenidate is essential for determining its classification as an acid or base and its electrolyte nature.
추천 영상:
가이드 코스
00:41
Functional Groups Example