Skip to main content
Ch.16 - Acid-Base Equilibria
Brown - Chemistry: The Central Science 14th Edition
Brown14th EditionChemistry: The Central ScienceISBN: 9780134414232당신이 사용하는 게 아니라요?교과서 변경
모든 교과서Brown 14th EditionCh.16 - Acid-Base Equilibria문제 22
16장, 문제 22

Label each of the following as being a strong acid, a weak acid, or a species with negligible acidity. In each case write the formula of its conjugate base, and indicate whether the conjugate base is a strong base, a weak base, or a species with negligible basicity: (a) HCOOH

검증된 단계별 안내
1
Identify the given species: HCOOH is formic acid.
Determine the strength of the acid: HCOOH is a weak acid because it does not completely dissociate in water.
Write the formula of the conjugate base: The conjugate base of HCOOH is HCOO⁻.
Assess the basicity of the conjugate base: Since HCOOH is a weak acid, its conjugate base, HCOO⁻, is a weak base.
Summarize: HCOOH is a weak acid, and its conjugate base, HCOO⁻, is a weak base.

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.

Acid-Base Theory

Acid-base theory explains the behavior of acids and bases in chemical reactions. According to the Brønsted-Lowry definition, acids are proton donors, while bases are proton acceptors. This framework helps classify substances based on their ability to donate or accept protons, which is essential for determining the strength of acids and their conjugate bases.
추천 영상:
가이드 코스
02:08
Bronsted-Lowry Acid-Base Theory

Strength of Acids and Bases

The strength of an acid or base is determined by its ability to dissociate in water. Strong acids, like hydrochloric acid (HCl), completely ionize in solution, while weak acids, such as formic acid (HCOOH), only partially ionize. The strength of the conjugate base is inversely related to the strength of the acid; a strong acid has a weak conjugate base, and vice versa.
추천 영상:
가이드 코스
00:50
Strength of Conjugate Acids and Bases

Conjugate Acid-Base Pairs

Conjugate acid-base pairs consist of an acid and its corresponding base, which differ by a proton. For example, when HCOOH donates a proton, it forms its conjugate base, HCOO-. Understanding these pairs is crucial for predicting the behavior of acids and bases in reactions, as well as their relative strengths in terms of acidity and basicity.
추천 영상:
가이드 코스
01:30
Conjugate Acid-Base Pairs
관련 실천
교과서 질문

Label each of the following as being a strong base, a weak base, or a species with negligible basicity. In each case write the formula of its conjugate acid, and indicate whether the conjugate acid is a strong acid, a weak acid, or a species with negligible acidity: (c) O2-

325
views
교과서 질문

Predict the products of the following acid–base reactions, and predict whether the equilibrium lies to the left or to the right of the reaction arrow:

(a) O2-(aq) + H2O(l) ⇌

(b) CH3COOH(aq) + HS-(aq) ⇌

(c) NO2-(aq) + H2O(l) ⇌

990
views
교과서 질문

Which of the following is the stronger Brønsted–Lowry acid, HBrO or HBr?

570
views
교과서 질문

Label each of the following as being a strong base, a weak base, or a species with negligible basicity. In each case write the formula of its conjugate acid, and indicate whether the conjugate acid is a strong acid, a weak acid, or a species with negligible acidity: (d) Cl-

275
views
교과서 질문

Label each of the following as being a strong base, a weak base, or a species with negligible basicity. In each case write the formula of its conjugate acid, and indicate whether the conjugate acid is a strong acid, a weak acid, or a species with negligible acidity: (e) NH3.

336
views