Which of the following represents a non-electrolyte? a) (CH 3 ) 2 NH 2 b) NaOH c) HIO 3 d) C 2 H 5 OH e) CsNH 2

Which of the following represents a non electrolyte? So remember, the examples that we have of non electrolytes have been water, sugar, alcohols, and other non ionic compounds. Of this description, which one could we find out of these choices? So we have a which is composed of carbons, nitrogens, and hydrogens. B is out because that's NaOH, a strong base, which would be a strong electrolyte. Here we have h I o three. It's a covalent compound beginning with hydrogen. And remember, from our earlier videos, this was the definition of an acid. Now whether it's a strong acid or a weak acid, it doesn't matter. Acids are either strong or weak electrolytes, not non electrolytes. Next, we have c 2 h5 o h. It's a compound composed of carbons and hydrogens connected to o h, which is a definition of an alcohol. And then the last one, this is a soluble ionic compound since it's made up of cesium, which is from group 1 a. Remember your solubility rules. Now we're not quite sure what a is, but we definitely know that d is the answer because it represents an alcohol. And we know that alcohols are one of the groups we classified as being non electrolytes. So here the answer would be option d.

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7. Chemical Reactions

Electrolytes (Simplified)

Introduction to Chemistry

7. Chemical Reactions

Electrolytes (Simplified)

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Multiple Choice

Which of the following represents a non-electrolyte?
a) (CH₃)₂NH₂ b) NaOH c) HIO₃ d) C₂H₅OH e) CsNH₂

(CH₃)₂NH₂

NaOH

HIO₃

C₂H₅OH

CsNH₂

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Verified step by step guidance

Understand the concept of electrolytes: Electrolytes are substances that dissociate into ions when dissolved in water, allowing the solution to conduct electricity. Non-electrolytes do not dissociate into ions in solution.

Identify the chemical nature of each compound: Examine each option to determine if it is likely to dissociate into ions in water. Ionic compounds and strong acids/bases typically dissociate, while covalent compounds often do not.

Analyze option a) (CH3)2NH2: This is a covalent compound, specifically an amine, which generally does not dissociate into ions in water, making it a potential non-electrolyte.

Analyze option b) NaOH: Sodium hydroxide is a strong base and an ionic compound, which dissociates completely into Na⁺ and OH⁻ ions in water, making it an electrolyte.

Analyze option d) C2H5OH: Ethanol is a covalent compound and does not dissociate into ions in water, making it a non-electrolyte. This matches the correct answer provided.