Organic Chemistry I
A quiz to assess your understanding.
- 1.
Which of the following molecule(s) is/are not an alkane?I C10H22 II C6H6 III C2H5OH IV C6H12
- A.
II only
- B.
II and III only
- C.
II, III and IV only
- D.
III only
Correct Answer
C. II, III and IV only -
- 2.
What is the number of isomers of formula C5H12?
- A.
5
- B.
4
- C.
3
- D.
2
Correct Answer
C. 3 -
- 3.
Which statement about the members of a homologous series is correct?
- A.
They contain the same number of bonds per molecule
- B.
They have the same empirical formula.
- C.
They have the same number of carbon atoms per molecule
- D.
They undergo similar reactions
Correct Answer
D. They undergo similar reactions -
- 4.
Octane is an alkane containing eight carbon atoms per molecule. What is its condensed structural formula?
- A.
C8H14
- B.
C4H7
- C.
CH3CH2CH2CH2CH2CH2CH2CH3
- D.
CH4CH2CH2CH2CH2CH2CH2CH4
Correct Answer
C. CH3CH2CH2CH2CH2CH2CH2CH3 -
- 5.
Which of the following molecules is saturated?
- A.
C3H8
- B.
C3H6
- C.
C2H2
- D.
C6H6
Correct Answer
A. C3H8 -
- 6.
Which of the following are possible products when C2H6 is reacted with chlorine gas in the presence of UV?
- A.
C2H6Cl and HCl
- B.
C2Cl6, C2H5Cl and HCl
- C.
C2H5Cl and H2
- D.
C2H6Cl
Correct Answer
B. C2Cl6, C2H5Cl and HCl -
- 7.
10 cm3 of methane undergoes complete combustion with 30 cm3 of oxygen. What is the total volume of gases at 100 degree celsius?
- A.
30 cm3
- B.
40 cm3
- C.
10 cm3
- D.
20 cm3
Correct Answer
B. 40 cm3 -
- 8.
The structures of two compounds are shown.Which statement about these two compounds is correct?
- A.
They are isomers of each other
- B.
They are both saturated compounds
- C.
They are in the same homologous series
- D.
They are both hydrocarbons
Correct Answer
D. They are both hydrocarbons -
- 9.
A molecule has the following structural formula.What is the name of this molecule?
- A.
Octane
- B.
2-methyl-3-methylhexane
- C.
2,3-dimethylhexane
- D.
2-methyl-3-propylhexane
Correct Answer
C. 2,3-dimethylhexane -
- 10.
In the presence of sunlight, alkanes react with bromine. What type of reaction is this?
- A.
Addition reaction
- B.
Combustion reaction
- C.
Decomposition reaction
- D.
Substitution
Correct Answer
D. Substitution -
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Current Version
-
Mar 15, 2022Quiz Edited by
ProProfs Editorial Team -
May 18, 2010Quiz Created by
Pehyk
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