8.11 Multiple Choice Questions

Welcome to Unit 8 AP Chemistry Multiple Choice Questions! Grab some paper and a pencil 📄 to record your answers as you go. You can see how you did on the Unit 8 Practice Questions Answers and Review sheet once you're done. Don't worry, we have tons of resources available if you get stumped 😕 on a question. And if solo study is not your thing, join a group in Hours!

Not ready to take a quiz yet? Take a look at the Intro to Unit 8.

Facts about the test: The AP Chemistry exam has 60 multiple choice questions and you will be given 1 hour 30 minutes to complete the section. That means it should take you around 15 minutes to complete 10 questions. *The following questions were not written by College Board and, although they cover information outlined in the AP Chemistry Course and Exam Description, the formatting on the exam may be different.

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A. Nitric acid contains more oxygen atoms, which strengthen the bond to hydrogen.

B. Nitric acid contains more oxygen atoms which weaken the bond to hydrogen.

C. The Ka for nitrous acid is larger than the Ka for nitric acid.

D. Nitrate is a stronger conjugate base than nitrite.

A. Phosphate (PO₄³⁻)

B. Dihydrogen Phosphate (H₂PO₄⁻)

C. Phosphoric Acid (H₃PO₄)

D. Hydrogen Phosphate (HPO₄²⁻)

A. Methyl amine is a Bronsted-Lowry base because it accepts a proton from water.

B. Methyl amine is a Bronsted-Lowry base because it gives a proton from water.

C. Methyl amine is a Arrhenius acid because it creates hydroxide in an aqueous solution.

D. Methyl amine is a Lewis base because it makes hydroxide in an aqueous solution.

A.  2.62

B. 11.38

C. 2.40

D. 11.60

A. 3.47

B. 10.53

C. 2.47

D. 11.53

A. 9.00

B. 5.00

C. 11.50

D. 2.50

A. Solution containing equimolar amounts of NaOH and HCl

B. 1.0 M solution of HCl

C. 1.0 M solution of NaOH

D. 1.0 M solution of HF (Ka = 0.00018)

A. pH = 7

B. pH > 7

C. pH < 7

D. pH = 0

A. 7.00

B. 9.62

C. 1.62

D. 4.38

A.  Methyl Orange (pKa = 4.95

B. Phenolphthalein (pKa = 9.4)

C. Thymol Blue (pKa = 1.65)

D. p-Nitrophenol (pKa = 7.2)

A.  11.6 mL

B. 49.6 mL

C. 11.6 L

D. 49.6 L

A. [NaF] < [HF] because the HCl reacts with the conjugate base.

B. [NaF] > [HF] because the HCl reacts with the conjugate base.

C. [NaF] < [HF] because the HCl reacts with the conjugate acid.

D. [NaF] > [HF] because the HCl reacts with the conjugate acid.