Curriculum
Login

Curriculum

Chemistry

Chapter 1 - Transition Elements and Iron Metallurgy

0/28

Chapter 2 - Chemical Analysis

0/22

Chapter 3 - Chemical Equilibrium

0/22

Chapter 4 - Electrochemistry

0/33

Chapter 5 - Organic Chemistry

0/72

More lessons

0/23
Quiz

Lesson 6: Carboxylic Acids, Esters and Organic Polymers — Picture questions (exam style)

Submit quiz
Once you submit, you will no longer be able to change your answers. Are you sure you want to submit the quiz?
Cancel Submit
  • Questions count: 8
  • Passing grade: 60%
Start Quiz
1.
30 g of methanoic acid is heated with excess ethyl alcohol and a little conc. H₂SO₄; the yield is 80%. What mass of ester forms? (see molar masses)
30 g of methanoic acid is heated with excess ethyl alcohol and a little conc. H₂SO₄; the yield is 80%. What mass of ester forms? (see molar masses)
48.0 g
38.6 g
48.3 g
24.0 g
2.
1.7 g of a monoprotic acid CₙH₂ₙ₊₁COOH is titrated with 0.2 M NaOH, needing 83.33 mL. What is the acid?
1.7 g of a monoprotic acid CₙH₂ₙ₊₁COOH is titrated with 0.2 M NaOH, needing 83.33 mL. What is the acid?
CH₃COOH
C₅H₁₁COOH
C₆H₁₃COOH
C₃H₇COOH
3.
3 g of propanoic acid is heated with excess pentyl alcohol and a little conc. H₂SO₄; the yield is 67%. What mass of ester forms? (see molar masses)
3 g of propanoic acid is heated with excess pentyl alcohol and a little conc. H₂SO₄; the yield is 67%. What mass of ester forms? (see molar masses)
2.01 g
5.84 g
3.91 g
4.40 g
4.
15 g of propanoic acid is heated with excess propyl alcohol and a little conc. H₂SO₄; the yield is 75%. What mass of ester forms? (see molar masses)
15 g of propanoic acid is heated with excess propyl alcohol and a little conc. H₂SO₄; the yield is 75%. What mass of ester forms? (see molar masses)
17.6 g
23.5 g
11.2 g
20.4 g
5.
18 g of ethanoic acid is heated with excess butyl alcohol and a little conc. H₂SO₄; the yield is 60%. What mass of ester forms? (see molar masses)
18 g of ethanoic acid is heated with excess butyl alcohol and a little conc. H₂SO₄; the yield is 60%. What mass of ester forms? (see molar masses)
10.8 g
34.8 g
20.9 g
24.1 g
6.
30 g of ethanoic acid is heated with excess ethyl alcohol and a little conc. H₂SO₄; the yield is 75%. What mass of ester forms? (see molar masses)
30 g of ethanoic acid is heated with excess ethyl alcohol and a little conc. H₂SO₄; the yield is 75%. What mass of ester forms? (see molar masses)
39.8 g
33.0 g
22.5 g
44.0 g
7.
30 g of butanoic acid is heated with excess propyl alcohol and a little conc. H₂SO₄; the yield is 50%. What mass of ester forms? (see molar masses)
30 g of butanoic acid is heated with excess propyl alcohol and a little conc. H₂SO₄; the yield is 50%. What mass of ester forms? (see molar masses)
22.2 g
44.3 g
25.2 g
15.0 g
8.
30 g of ethanoic acid is heated with excess methyl alcohol and a little conc. H₂SO₄; the yield is 90%. What mass of ester forms? (see molar masses)
30 g of ethanoic acid is heated with excess methyl alcohol and a little conc. H₂SO₄; the yield is 90%. What mass of ester forms? (see molar masses)
33.3 g
41.4 g
37.0 g
27.0 g
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8