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Eleventh Grade (Grade 11) Organic Chemistry Questions

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Grade 11 Organic Chemistry
Which branch of chemistry is the study of substances which are compounds of carbon?
  1. organic chemistry
  2. analytical chemistry
  3. inorganic chemistry
  4. physical chemistry
Grade 11 Organic Chemistry
Which hydrocarbon would be classified as saturated and an alkane?
  1. CH4
  2. C5H10
  3. C7H12
  4. C14H26
Grade 11 Organic Chemistry
We describe organic chemistry as the study of
  1. changes, properties, and relationships between energy and matter.
  2. the chemistry of all possible living things.
  3. minerals, crystals, and geological formations.
  4. compounds that possess carbon in their structures.
Grade 11 Organic Chemistry
Which of the following elements is found in all organic substances?
  1. nitrogen
  2. carbon
  3. hydrogen
  4. oxygen
Grade 11 Organic Chemistry
Heterolytic fission of C-Br bond results in the formation of                          .
  1. free radicals
  2. carbanion
  3. carbocation
  4. carbanion and carbocation
Grade 11 Organic Chemistry
How would you identify an aliphatic unsaturated hydrocarbon as being an alkyne?
  1. by the presence of at least one triple bond
  2. by the presence of at least two triple bonds
  3. by the presence of at least one double bond
  4. by the presence of at least two double bonds
Grade 11 Organic Chemistry
Which of the following would NOT be considered to be organic?
  1. Amino Acids
  2. Sugars
  3. Carbonates
  4. Carbonic acid
Grade 11 Organic Chemistry
Based on Huckel's rule, how many π electrons exist in an aromatic compound?
  1. (4n+2)π electrons, where n = 0,1,2,3, etc.
  2. (3n+1)π electrons, where n = 1, 2,3, etc.
  3. (2n+1)π electrons, where n = 0, 1, 2 , etc.
  4. (5n+1)π electrons, where n = 0, 1, 2,3, etc.
Grade 11 Organic Chemistry
What is the difference between organic and inorganic compounds?
  1. Inorganic compounds have more lipids than Organic compounds.
  2. Inorganic compounds do not contain carbon, but organic compounds do.
  3. Organic compounds are simple molecules.
  4. None of the above.
Grade 11 Organic Chemistry
The empirical formula of an organic compound having a molecular mass of 60 grams/mole is CH2O. What is its molecular formula?
  1. C6H12O6
  2. C4H8O4
  3. C3H6O3
  4. C2H4O2
Grade 11 Organic Chemistry
Which branch of chemistry identifies the composition and amount of matter present in a material?
  1. chemistry
  2. analytical chemistry
  3. inorganic chemistry
  4. physical chemistry