Bronsted-Lowry Theory of Acids and Bases (Grade 10)
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Bronsted-Lowry Theory of Acids and Bases
Instructions: Answer the following questions, based on your knowledge of Bronsted-Lowry acids and bases.
1.
What is HCl, if it donates a proton to water?
- A Bronsted-Lowry acid
- A Bronsted-Lowry base
- Water
- An amphiprotic substance
2.
Which of the following refers to a substance that accepts a proton?
- A Bronsted-Lowry acid
- Water
- A Bronsted-Lowry base
- An Arrhenius base
3.
Based on the reaction shown: [math]"HNO"_3 + "NH"_3 rarr "NO"_3^"-" + "NH"_4^"+"[/math],
Which of the following represents the Bronsted-Lowry base?
Which of the following represents the Bronsted-Lowry base?
- [math]"HNO"_3[/math]
- [math]"NH"_3[/math]
- [math]"NO"_3^"-"[/math]
- [math]"NH"_4^"+"[/math]
4.
Based on the reaction shown: [math]"HNO"_3 + "NH"_3 rarr "NO"_3^"-" + "NH"_4^"+"[/math],
Which of the following represents the Bronsted-Lowry acid and its conjugate base?
Which of the following represents the Bronsted-Lowry acid and its conjugate base?
- [math]"HNO"_3"/""NH"_4^"+"[/math]
- [math]"NH"_3"/""NH"_4^"+"[/math]
- [math]"HNO"_3"/""NO"_3^"-"[/math]
- [math]"NH"_3"/""NO"_3^"-"[/math]
5.
Based on the reaction shown: [math]"H"_2"SO"_4 + "H"_2"O" rarr "HSO"_4^"-" + "H"_3"O"^"+"[/math],
Which of the following represents the Bronsted-Lowry acid?
Which of the following represents the Bronsted-Lowry acid?
- [math]"H"_2"SO"_4[/math]
- [math]"H"_2"O"[/math]
- [math]"HSO"_4^"-"[/math]
- [math]"H"_3"O"^"+"[/math]
6.
Based on the reaction shown: [math]"H"_2"SO"_4 + "H"_2"O" rarr "HSO"_4^"-" + "H"_3"O"^"+"[/math],
Which of the following represents the Bronsted-Lowry base and its conjugate acid?
Which of the following represents the Bronsted-Lowry base and its conjugate acid?
- [math]"H"_2"SO"_4"/""HSO"_4^"-"[/math]
- [math]"H"_2"O""/""HSO"_4^"-"[/math]
- [math]"H"_2"SO"_4"/""H"_3"O"^"+"[/math]
- [math]"H"_2"O""/""H"_3"O"^"+"[/math]
7.
A substance that is capable of donating or accepting a proton is called what?
- A Bronsted-Lowry acid
- A Bronsted-Lowry base
- An amphoteric substance
- None of the above
8.
If [math]"HSO"_4^"-"[/math] acts as a Bronsted-Lowry acid, what would be its conjugate base?
- [math]"H"_3"SO"_4^"+"[/math]
- [math]"H"_2"SO"_4[/math]
- [math]"SO"_4^"2-"[/math]
- [math]"H"_2"O"[/math]
9.
Given the following equation: [math]"H"_3"PO"_4 (aq) + "H"_2"O" (l) hArr X (aq) + "H"_3"O"^"+" (aq)[/math]
What ion is represented by X?
What ion is represented by X?
10.
Given the following equation: [math]"HClO"_"4" (aq) + "H"_2"O"(l) hArr "ClO"_"4"^"-" (aq) + "H"_3"O"^"+" (aq)[/math],
Explain why [math]"HClO"_4(aq)[/math] represents a Bronsted acid in this equation.
Explain why [math]"HClO"_4(aq)[/math] represents a Bronsted acid in this equation.
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