General Chemistry II: Exam 1

22 Questions | By Jmfitz | Last updated: Mar 21, 2022 | Total Attempts: 366

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Organic chem exam 1

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1.

Draw a primary, secondary, and tertiary amine.
2.

Draw a primary, secondary and tertiary alcohol.
3.

Which of the following are representations of the same molecule?(i) CH3CH2CH2CH2CH2CH2(ii) CH3 CH2CH2CH2CH2CH3(iii) CH2CH2CH2 CH3 CH2CH3
- A.
  
  Only (i) and (ii)
- B.
  
  Only (i) and (iii)
- C.
  
  Only (ii) and (iii)
- D.
  
  All of them
4.

Which of the following explains why alkanes are called saturated hydrocarbons?
- A.
  
  They contain the maximum possible number of hydrogen atoms
- B.
  
  They are the most highly reactive organic compounds
- C.
  
  They have dissolved to the maximum extent possible
- D.
  
  They are good solvents
5.

Compounds which contain a carbon-carbon triple bond are classified as which of the following?
- A.
  
  Arenes
- B.
  
  Alkanes
- C.
  
  Alkenes
- D.
  
  Alkynes
6.

In organic compounds a halogen atom can replace which of the following?
- A.
  
  Hydrogen
- B.
  
  Oxygen
- C.
  
  Nitrogen
- D.
  
  Carbon
7.

Which of the following is a gas at room temperature and pressure?
- A.
  
  Hexane
- B.
  
  Pentane
- C.
  
  Butane
- D.
  
  None of them
- E.
  
  3-
8.

What is the IUPAC name of: CH2CH2CH2CH3CH3CCH2CH3 CH2CH2CH3
- A.
  
  3-methyl-3-propylheptane
- B.
  
  2-ethyl-2-propylhexane
- C.
  
  4-ethyl-4-methyloctane
- D.
  
  None of these
9.

Which of the following is true when there is a single substituent on cyclohexane?
- A.
  
  The substituent will prefer to be in the axial position
- B.
  
  The substituent has no particular preference for either the axial or equatorial position
- C.
  
  The situation will vary, depending on the identity of the substituent
- D.
  
  The substituent will prefer to be in the equatorial position
10.

How many moles of oxygen are consumed by the complete combustion of one mole of propane, C3H8?
- A.
  
  7
- B.
  
  1
- C.
  
  5
- D.
  
  3
11.

Which of the following has the highest boiling point?
- A.
  
  Hexane
- B.
  
  Octane
- C.
  
  Nonane
- D.
  
  Heptane
12.

In which of the following classes of organic compounds is an oxygen atom bonded to a hydrogen atom?
- A.
  
  Alcohols
- B.
  
  Aldehydes
- C.
  
  Amines
- D.
  
  All of these
13.

Which of the following is a constitutional isomer of butane, CH3(CH2)2CH3 ?
- A.
  
  CH3CHCH3 CH3
- B.
  
  CH3 CH2CH2CH3
- C.
  
  CH3CH2CH2 CH3
- D.
  
  None of these
14.

In which of the following types of reactions is sulfuric acid used as a catalyst?
- A.
  
  Hydration
- B.
  
  Hydrohalogenation
- C.
  
  Halogenation
- D.
  
  Hydrogenation
15.

When listing the substituents in correct order, which of the following should not be ignored?
- A.
  
  Iso
- B.
  
  Sec-
- C.
  
  Di-
- D.
  
  None, all should be ignored
16.

Which of the following chemicals, when pure, will have different properties if it is synthesized in the laboratory than if it is obtained from a natural source?
- A.
  
  Ethanol
- B.
  
  Vitamin C
- C.
  
  Taxol
- D.
  
  None of these
17.

Which isomer of pentane has the lowest boiling point?
- A.
  
  2,2-dimethypropane
- B.
  
  Pentane
- C.
  
  2-methylbutane
- D.
  
  None, they all have the same boiling point
18.

Compounds which contain a carbon-carbon double bond are classified as which of the following?
- A.
  
  Alkanes
- B.
  
  Alkynes
- C.
  
  Arenes
- D.
  
  Alkenes
19.

Alkanes belong to which class of hydrocarbons?
- A.
  
  Aromatic
- B.
  
  Unsaturated
- C.
  
  Saturated
- D.
  
  Alkali
20.

What is the IUPAC name of:
- A.
  
  Isopropylpropylcyclohexane
- B.
  
  1,1-dipropylcyclohexane
- C.
  
  1-isopropyl-1-propylcyclohexane
- D.
  
  None of these
21.

Which of the following is the most characteristic reaction of alkenes?
- A.
  
  Addition
- B.
  
  Oxidation
- C.
  
  Reduction
- D.
  
  Substitution
22.

In organic compounds which of the following elements normally forms three covalent bonds?
- A.
  
  Hydrogen
- B.
  
  Nitrogen
- C.
  
  Carbon
- D.
  
  Oxygen