Class 12 Chemistry · Chapter 3 · Test 1
Functional Groups and Nomenclature
50 MCQs
50 questions · 45 min · 50 marks
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Sample questions
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Question 1
According to IUPAC, organic chemistry is the study of compounds containing:
- AOnly carbon and hydrogen
- BCarbon bonded to itself, hydrogen or other elements (excluding some inorganic compounds)
- COnly living matter
- DOnly carbon and oxygen
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Answer: B
IUPAC defines it as the study of carbon compounds where carbon is bonded to itself, hydrogen or other elements, excluding some inorganic compounds.
Question 2
Which of the following is organic in nature?
- ACO2
- BKCN
- CHCN
- DCCl4
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Answer: D
CCl4 is an organic compound; CO2 and cyanides are among the traditional inorganic compounds excluded from organic chemistry.
Question 3
Compared with inorganic compounds, organic compounds usually have:
- AHigh melting points and high densities
- BHigh solubility in water
- CLow melting points, boiling points and densities
- DIonic bonding
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Answer: C
Organic compounds are distinguished by low m.p., b.p. and densities and low solubility in water.
Question 4
Catenation is:
- AThe ability of atoms to form multiple bonds
- BThe ability of an element to form ions
- CThe ability of an element to dissolve
- DThe self-linkage between atoms of the same element
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Answer: D
Catenation (Latin catena = chain) is the self-linking of atoms of the same element.
Question 5
Carbon forms long chains and rings through stable:
- AC-C covalent bonds
- BC-C ionic bonds
- CHydrogen bonds
- DMetallic bonds
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Answer: A
Stable C-C covalent bonds allow carbon to link to itself.
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