CH3CH2CH2CH2CHCH2CH2CHCH3

Chem 120 Final Exam 3 GRADED A+ (ACTUAL EXAM )

Questions and Answers (Solved)

• The most common base in the world is also known as lye, its chemical formula is:

Answer: NaOH

2. A Bronsted-Lowery acid: accepts or donates a proton?

Answer: Donates

• In the following reaction the conjugate acid is

Answer: H3PO4+H2O = H2PO4+H3O: H3O

4. Determine the physical state of the following at room temperature:

CH3CH2CH2CH2CHCH2CH2CHCH3

| |

CH2 CH3

| CH3

Answer: Liquid

5. The following hydrocarbon is saturated or unsaturated:

CH3CH=CHCH2CH=CHCH2CH3

Answer: Unsaturated

6. Nme the following compound:

CH3CH2CHCHCH2OH

| | Cl CH3

Answer: 4chloro-3-methyl-1-hexonal 1 / 3

7. The following compound is an example of an:

_

HC-C = C-CH3

Alkyne, Alkane, Cycloalkane, or Alkene

Answer: Alkyne

• Which hydrocarbon will produce the most energy during a combustion reaction?

C3H8, C6H12O6, C9H20, CH4

Answer: C9H20

• Which isomer is the most stable?

CH3 CH3 CH3 H

\ / \ /

C=C C=C

/ \ / \

H H H CH3

Answer: CH3 H

\ / C=C

/ \ H CH3

• Name the following compound OH

| / \ | | /\ / Br

Answer: 3-bromocycloheanol

• / 3

• 2,5-dimethylhexane

Answer: |

/\/\/ |

• Which alkene is the most stable?

CH | 3

H C= CHCH. OR H C-C=C-CH 2 3 3 | 3

CH 3

Answer: CH

| 3

H C-C=C-CH

• | 3

CH 3

• The compound shown is a alcohol.

OH | CH

/ \ / 3

| | \ /

Answer: Secondary

• 3-ethyl-2-methtlhexane

Answer: CH 3

|

CH CHCHCH CHCH 3 | 2 3

CH CH 2 3

• Analkane such as octane, C8H18, Is a

molecule.

• / 3