Ch2 Prac. Qu - ch 2 practice quewtions PDF

Preview

Summary

ch 2 practice quewtions...

Description

9/1/2020

Ch2 Practice Quiz: Organic Chemistry-CHEM211-25404-2020FA

Ch2 Practice Quiz Due Sep 3 at 11:59pm

Points 19

Available after Aug 31 at 12pm

Questions 19

Time Limit 60 Minutes

Allowed Attempts 2

Instructions This quiz is an open-note practice, so it is important that you have some "cheat sheets" or summaries in hand. Disclaimer: This practice quiz may not cover all the required knowledge points for the chapter. Instead, please refer to the Chapter Study Guide for a more thorough requirement list to inform your study for the real quiz on Thursday.

Attempt History Attempt

Time

Score

KEPT

Attempt 2

4 minutes

18 out of 19

LATEST

Attempt 2

4 minutes

18 out of 19

Attempt 1

22 minutes

14 out of 19

 Correct answers are hidden. Score for this attempt: 18 out of 19 Submitted Sep 1 at 8:12pm This attempt took 4 minutes.

Question 1

1 / 1 pts

How many hydrogens are in a molecule of isobutane?

https://cerritos.instructure.com/courses/45266/quizzes/112385

1/10

9/1/2020

Ch2 Practice Quiz: Organic Chemistry-CHEM211-25404-2020FA

10

Question 2

1 / 1 pts

How many isomeric hexanes exist?

5

Question 3

1 / 1 pts

What is the approximate C-C-C bond angle of propane (CH3 CH2 CH3 )?

109.5º

Incorrect

Question 4

https://cerritos.instructure.com/courses/45266/quizzes/112385

0 / 1 pts 2/10

9/1/2020

Ch2 Practice Quiz: Organic Chemistry-CHEM211-25404-2020FA

The correct IUPAC name for 2-ethylpentane is:

2-methylpentane

Question 5

1 / 1 pts

The correct structure of 3-ethyl-2-methylpentane is:

https://cerritos.instructure.com/courses/45266/quizzes/112385

3/10

9/1/2020

Ch2 Practice Quiz: Organic Chemistry-CHEM211-25404-2020FA

Question 6

1 / 1 pts

In 3-ethyl-2-methylpentane, carbon #3 (marked by a star) is classified as:

tertiary (3º)

Question 7

1 / 1 pts

The second carbon of 2,2-dimethylbutane (marked by a star) is classified as:

https://cerritos.instructure.com/courses/45266/quizzes/112385

4/10

9/1/2020

Ch2 Practice Quiz: Organic Chemistry-CHEM211-25404-2020FA

quaternary (4º)

Question 8

1 / 1 pts

What is the correct IUPAC name for the compound shown below?

1-ethyl-2-methylcyclohexane

Question 9

1 / 1 pts

What is the correct IUPAC name for the cycloalkane shown below?

https://cerritos.instructure.com/courses/45266/quizzes/112385

5/10

9/1/2020

Ch2 Practice Quiz: Organic Chemistry-CHEM211-25404-2020FA

cycloundecane

Question 10

1 / 1 pts

Arrange octane, 2,2,3,3-tetramethylbutane and 2-methylheptane in order of increasing boiling point.

2,2,3,3-tetramethylbutane < 2-methylheptane < octane

Question 11

1 / 1 pts

To carry out the reaction shown below we need: CH3 OH → H2 C=O

an oxidizing agent

Question 12 https://cerritos.instructure.com/courses/45266/quizzes/112385

1 / 1 pts 6/10

9/1/2020

Ch2 Practice Quiz: Organic Chemistry-CHEM211-25404-2020FA

What is the hybridization of the starred carbon in humulene (shown)?

sp3

Question 13

1 / 1 pts

What is the hybridization of the starred carbon of geraniol (shown)?

https://cerritos.instructure.com/courses/45266/quizzes/112385

7/10

9/1/2020

Ch2 Practice Quiz: Organic Chemistry-CHEM211-25404-2020FA

sp2

Question 14

1 / 1 pts

The carbon skeleton below accounts for 9 carbon atoms. How many other isomers of C10 H22 that have 7 carbons in their longest continuous chain can be generated by adding a single carbon to various positions on this skeleton?

3

Question 15

1 / 1 pts

How many primary carbons are in the molecule shown?

4

https://cerritos.instructure.com/courses/45266/quizzes/112385

8/10

9/1/2020

Ch2 Practice Quiz: Organic Chemistry-CHEM211-25404-2020FA

Question 16

1 / 1 pts

Which one contains the greatest number of tertiary carbons?

sec-butylcyclohexane

Question 17

1 / 1 pts

The systematic name for a sec-butyl group is:

1-methylpropyl

https://cerritos.instructure.com/courses/45266/quizzes/112385

9/10

9/1/2020

Ch2 Practice Quiz: Organic Chemistry-CHEM211-25404-2020FA

Question 18

1 / 1 pts

Which of the following is a 3-methylbutyl group?

(CH3)2CHCH 2CH 2-

Question 19

1 / 1 pts

Which alkane has the highest boiling point?

hexane

Quiz Score: 18 out of 19

https://cerritos.instructure.com/courses/45266/quizzes/112385

10/10...