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Quiz 1 of 0

UTME ASSESSMENT November 2024

tolu November 29, 2024

UTME ASSESSMENT November 2024

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Question 1 of 10

1. Question

What is the IUPAC name of CH₃-CH=CH-CH₂-CH₃?

1-Pentene

2-Pentene

3-Pentene

Pentane

Correct

Incorrect
Question 2 of 10

2. Question

What is the IUPAC name of CH₃-C≡C-CH₂-CH₃?

1-Butyne

2-Butyne

1-Pentyne

2-Pentyne

Correct

Incorrect
Question 3 of 10

3. Question

What is the IUPAC name of C₆H₅-COOH?

Benzaldehyde

Benzyl alcohol

Benzoic acid

Phenol

Correct

Incorrect
Question 4 of 10

4. Question

What is the correct name for CH₃-CH(CH₃)-CH₂-CH₂-CH₃?

2-Methylpentane

3-Methylpentane

2-Ethylbutane

3-Ethylbutane

Correct

Incorrect
Question 5 of 10

5. Question

Which of the following statements correctly describes Boyle’s Law?

At constant temperature, the pressure of a gas is directly proportional to its volume.

At constant temperature, the pressure of a gas is inversely proportional to its volume.

At constant pressure, the volume of a gas is inversely proportional to its temperature.

At constant temperature, the volume of a gas is directly proportional to its pressure.

Correct

Incorrect
Question 6 of 10

6. Question

A gas occupies a volume of 4.0 L at a pressure of 1.0 atm. If the pressure increases to 2.0 atm at constant temperature, what will be the new volume of the gas?

2.0 L

4.0L

8.0L

1.0L

Correct

Incorrect
Question 7 of 10

7. Question

Calculate the pressure exerted by 1.5 moles of an ideal gas in a 10.0 L container at 298 K. Use 𝑅=0.0821L\cdotpatm/(mol\cdotpK)

3.67 atm

2.98 atm

4.23 atm

5.10 atm

Correct

Incorrect
Question 8 of 10

8. Question

A gas occupies 6.0 L at 2.0 atm and 300 K. If the pressure is decreased to 1.0 atm and the temperature increases to 400 K, what will be the new volume?

16.0L

12.0L

8.0L

10.L

Correct

Incorrect
Question 9 of 10

9. Question

A gas cylinder contains 0.8 moles of gas at 273 K and 1.5 atm. What is the volume of the gas under these conditions? Use R=0.0821L\cdotpatm/(mol\cdotpK).

10.0 L

15.0 L

14.9 L

12.0 L

Correct

Incorrect
Question 10 of 10

10. Question

A balloon is filled with 2.5 L of air at sea level (1.0 atm). If it is taken to a depth where the pressure is 3.0 atm, what will the volume of the balloon be?

0.83 L

7.5 L

1.25 L

0.50 L

Correct

Incorrect

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