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Organic Chemistry Questions - All Grades

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Grade 12 Organic Chemistry
Which of the following alkanes is a liquid at room temperature?
  1. C4H10
  2. C10H22
  3. C22H46
  4. C46H94
Grade 10 Organic Chemistry
Which of the following represents a saturated hydrocarbon?
  1. ethene
  2. butane
  3. propyne
  4. methanol
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 10 Organic Chemistry
What is the general formula of alkenes?
  1. CnH2n
  2. CnH2n+2
  3. CnH2n+1
  4. CnH2n+1
Grade 10 Organic Chemistry
Which of the following is NOT a prefix for a hydrocarbon?
  1. prop
  2. meth
  3. eth
  4. but
  5. pent
  6. hex
  7. tetra
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 9 Organic Chemistry
A substance that contains carbon is                .
  1. organic
  2. inorganic
  3. biogenesis
  4. valid
Grade 10 Organic Chemistry
What is the general formula of alkynes?
  1. CnH2n-2
  2. CnH2n+2
  3. CnH2n+1
  4. CnH2n-1
Grade 10 Organic Chemistry
Which statement correctly describes ethane and butane?
  1. They have only single bonds.
  2. They have the same number of hydrogen atoms.
  3. They have the same number of carbon atoms.
  4. They have only double bonds.
Grade 10 Organic Chemistry
Which of the following is a hydrocarbon?
  1. propene
  2. ethanal
  3. methanol
  4. butanoic acid
Grade 9 Organic Chemistry
What shape do aromatic hydrocarbons form?
  1. rings
  2. chains
  3. branched chains
  4. spirals
Grade 12 Organic Chemistry
Which of the following alkanes cannot be prepared by the Wurtz reaction?
  1. methane
  2. ethane
  3. propane
  4. butane
Grade 9 Organic Chemistry
Which of the following terms include all of the other terms on this list?
  1. Phospholipid
  2. Lipid
  3. Steroid
  4. Wax
Grade 10 Organic Chemistry
Which statement correctly describes one property of hydrocarbons?
  1. Hydrocarbons will not dissolve in water.
  2. Hydrocarbons have a high boiling point.
  3. Hydrocarbons contain ionic bonds.
  4. Hydrocarbons can contain oxygen atoms.
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