Skip to main content
Ch.4 - Reactions in Aqueous Solution
Brown - Chemistry: The Central Science 14th Edition
Brown14th EditionChemistry: The Central ScienceISBN: 9780134414232당신이 사용하는 게 아니라요?교과서 변경
모든 교과서Brown 14th EditionCh.4 - Reactions in Aqueous Solution문제 37
4장, 문제 37

Classify each of the following substances as a nonelectrolyte, weak electrolyte, or strong electrolyte in water: (a) HF (b) C6H5COOH (benzoic acid) (c) C6H6 (benzene) (d) CoCl3 (e) AgNO3.

검증된 단계별 안내
1
Identify the type of compound HF is. HF, or hydrofluoric acid, is a binary acid consisting of hydrogen and fluorine.
Understand the behavior of HF in water. When dissolved, HF partially ionizes in water, releasing hydrogen ions (H+) and fluoride ions (F-).
Recall the definition of electrolytes. Electrolytes are substances that dissolve in water to produce a solution that conducts electricity due to the presence of ions.
Determine the extent of ionization. HF does not completely ionize in water but does so partially, which is characteristic of weak acids.
Classify the substance based on ionization. Since HF partially ionizes in water, it is classified as a weak electrolyte.

비슷한 문제에 대한 검증된 영상 답변:

이 영상 해법은 위 문제에 도움이 된다고 튜터들이 추천한 것입니다.
영상 길이:
1m
도움이 되었나요?

주요 개념

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

Electrolytes

Electrolytes are substances that dissociate into ions when dissolved in water, allowing the solution to conduct electricity. They are classified into three categories: strong electrolytes, which completely dissociate into ions; weak electrolytes, which partially dissociate; and nonelectrolytes, which do not dissociate at all.
추천 영상:
가이드 코스
02:50
Electrolytes and Strong Acids

Strong vs. Weak Electrolytes

Strong electrolytes, such as sodium chloride, fully ionize in solution, resulting in a high concentration of ions. In contrast, weak electrolytes, like acetic acid, only partially ionize, leading to a lower concentration of ions. This distinction is crucial for understanding the conductivity and chemical behavior of solutions.
추천 영상:
가이드 코스
00:55
Weak Electrolytes and Weak Acids

Hydrofluoric Acid (HF)

Hydrofluoric acid (HF) is a weak acid and a weak electrolyte. When dissolved in water, it partially ionizes into hydrogen ions (H⁺) and fluoride ions (F⁻), but not completely. This partial dissociation is what classifies HF as a weak electrolyte, affecting its conductivity and reactivity in aqueous solutions.
추천 영상:
가이드 코스
01:12
Binary Acid Identification Example
관련 실천
교과서 질문

Write the balanced molecular and net ionic equations for each of the following neutralization reactions: (a) Aqueous acetic acid is neutralized by aqueous barium hydroxide

535
views
교과서 질문

Label each of the following substances as an acid, base, salt, or none of the above. Indicate whether the substance exists in aqueous solution entirely in molecular form, entirely as ions, or as a mixture of molecules and ions. (d) Ba1OH22.

949
views
교과서 질문

An aqueous solution of an unknown solute is tested with litmus paper and found to be acidic. The solution is weakly conducting compared with a solution of NaCl of the same concentration. Which of the following substances could the unknown be: KOH, NH3, HNO3, KClO2, H3PO3, CH3COCH3 (acetone)?

1316
views
교과서 질문

Complete and balance the following molecular equations, and then write the net ionic equation for each:

(a) HBr(aq) + Ca(OH)2(aq) →

(b) Cu(OH)2(s) + HClO4(aq) →

(c) Al(OH)3(s) + HNO3(aq) →

832
views
교과서 질문

Label each of the following substances as an acid, base, salt, or none of the above. Indicate whether the substance exists in aqueous solution entirely in molecular form, entirely as ions, or as a mixture of molecules and ions. (c) NaClO4

387
views
1
rank