Chemistry Grade 12 Unit 1
Multiple choice questions with answers
1. What is the pH of a 0.01 M solution of a strong diprotic acid?
a) 1
b) 2
c) Slightly greater than 2
d) Cannot be determined without knowing the acid's identity
2. A solution has a pH of 4. What is its pOH?
a) 4
b) 10
c) 14
d) Cannot be determined without knowing the temperature
3. Which species acts as a Lewis acid in the reaction
BF₃ + NH₃ → F₃B-NH₃?
a) BF₃ b) NH₃
c) F₃B⁻ d) NH₃⁺
4. Which statement best describes an amphiprotic species?
a) It can only accept a proton.
b) It can only donate a proton.
c) It can both donate and accept a proton.
d) It cannot donate or accept a proton
5. A Brønsted-Lowry base is defined as a substance that:
a) Accepts a proton.
b) Donates a proton.
c) Accepts an electron pair.
d) Donates an electron pair.
Answers
1. B
2. B
3. A
4. C
5. A
Take our fun and engaging quizzes!
Click here👇👇👇👇to get started:
QUIZ TIME
QUIZ TIME
#QuizTime #ChallengeYourself #BrainTeaser
Multiple choice questions with answers
1. What is the pH of a 0.01 M solution of a strong diprotic acid?
a) 1
b) 2
c) Slightly greater than 2
d) Cannot be determined without knowing the acid's identity
2. A solution has a pH of 4. What is its pOH?
a) 4
b) 10
c) 14
d) Cannot be determined without knowing the temperature
3. Which species acts as a Lewis acid in the reaction
BF₃ + NH₃ → F₃B-NH₃?
a) BF₃ b) NH₃
c) F₃B⁻ d) NH₃⁺
4. Which statement best describes an amphiprotic species?
a) It can only accept a proton.
b) It can only donate a proton.
c) It can both donate and accept a proton.
d) It cannot donate or accept a proton
5. A Brønsted-Lowry base is defined as a substance that:
a) Accepts a proton.
b) Donates a proton.
c) Accepts an electron pair.
d) Donates an electron pair.
Answers
1. B
2. B
3. A
4. C
5. A
Take our fun and engaging quizzes!
Click here👇👇👇👇to get started:
QUIZ TIME
QUIZ TIME
#QuizTime #ChallengeYourself #BrainTeaser