Which one of the following substances is the best electrolyte?
A) CO
B) CH₃Cl
C) CH₄
D) C₂H₅OH
E) HCl
Answer: E
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Chemistry Chapter 4
- A combination reaction may also be a displacement reaction. (T/F)
- The combustion of an element is always a combination reaction. (T/F)
- All combustion reactions are classified as combination reactions. (T/F)
- In a redox reaction, the oxidizing agent undergoes loss of electrons. (T/F)
- In a redox reaction, the reducing agent undergoes loss of electrons. (T/F)
- A particular reaction may be both a precipitation and an acid-base (neutralization) reaction. (T/F)
- In an acid-base (neutralization) reaction the equivalence point is the point where the indicator changes color. (T/F)
- In an acid-base (neutralization) reaction the indicator will change color at the end point. (T/F)
- Some covalent compounds dissolve in water to produce conducting solutions. (T/F)
- Predict the products by completing a balanced equation for the following decomposition reaction. CaCl₂(l) --electricity--> ?
- Predict the product(s) for the following reaction. H₂SO₄(aq) + KOH(aq) →
- Predict the product(s) for the following reaction. BaO(s) + CO2(g) →
- Predict the product(s) for the following reaction. Cl₂O₇(g) + H₂O(l) →
- Select the classification for the following reaction. 2I⁻(aq) + Cl₂(aq) → I₂(aq) + 2Cl⁻(aq)
- Select the classification for the following reaction. 2Ag⁺(aq) + Zn(s) → 2Ag(s) + Zn²⁺(aq)
- Select the classification for the following reaction. H₂CO₃(aq) → H₂O(l) + CO₂(g)
- Select the classification for the following reaction. CaCl₂·H₂O(s) --heat--> CaCl₂(s) + H₂O(g)
- Select the classification for the following reaction. 2H₂O₂(aq) → 2H₂O(l) + O₂(g)
- Select the classification for the following reaction. 2NaCl(l) --electricity--> 2Na(l) + Cl₂(g)
- Select the classification for the following reaction. Na₂O(s) + H₂O(l) → 2NaOH(aq)
- The compound P₄O₁₀ is used in refining sugar. Select the classification for the reaction in which it is synthesized. P₄(s) + 5O₂(g) → P₄O₁₀(s)
- Select the classification for the following reaction. H₂(g) + Cl₂(g) → 2HCl(g)
- Select the classification for the following reaction. BaCl₂(aq) + K₂SO₄(aq) → BaSO₄(s) + 2KCl(aq)
- Select the classification for the following reaction. Fe(s) + 2Fe³⁺(aq) → 3Fe²⁺(aq)
- Select the classification for the following reaction. KOH(aq) + HCl(aq) → KCl(aq) + H₂O(l)