Organic Chemistry Multiple Choice Questions and Answers – Classification of Organic Compounds

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Questions
1 Organic compounds are broadly classified as _________
A Open chain compounds and acyclic compounds
B Open chain compounds and linear chain compounds
C Cyclic compounds and alicyclic compounds
D alicyclic compounds and acyclic compounds

Answer: alicyclic compounds and acyclic compounds
2 Aliphatic compound is the other name for _________
A Acyclic compounds
B Alicyclic compounds
C Ring compounds
D Closed chain compounds

Answer: Acyclic compounds
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3 Which among the following is not an example of Acyclic compound?
A Acetaldehyde
B Ethane
C Cyclopropane
D Isobutane

Answer: Cyclopropane
4 Which among the following is not an example of alicyclic compound?
A Cyclohexane
B Cyclohexene
C Tetrahydrofuran
D Acetic acid

Answer: Acetic acid
5 Which among the following is not an aromatic compound (in specific)?
A Naphthalene
B Aniline
C Pyridine
D Tropolone

Answer: Pyridine
6 Find the odd one among the following.
A Alicyclic compounds
B Heterogeneous compounds
C Branched chain compounds
D Aromatic compounds

Answer: Branched chain compounds
7 Identify the odd one among the following.
A Indene
B Anthracene
C o,m,p-xylene
D Azulene

Answer: Azulene
8 Organic compounds can be classified even based upon the function groups. Identify the one which is not a functional group?
A Isocyanide
B Isocyano
C Carboxyl
D Carbonyl

Answer: Isocyanide
9 Which among the following is not a class of organic compound?
A Carbonyl compound
B Nitro compound
C Amides
D Electro compounds

Answer: Electro compounds
10 Which among these is not associated with aliphatic compounds?
A They contain (4n+2)pi electrons
B Contain straight chain compounds
C Contain branched chain compounds
D Has appropriate number of H-atoms and functional groups

Answer: They contain (4n+2)pi electrons
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