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CARBON AND ITS COMPOUNDS MCQs

Hydrocarbons, Compounds Of Transitional Elements

Total Questions : 63 | Page 6 of 7 pages
Question 51. Limewater turning cloudy is the test for
  1.    carbon dioxide
  2.    water
  3.    hydrogen
  4.    oxygen
 Discuss Question
Answer: Option A. -> carbon dioxide
Question 52. Identify the main characteristics of an organic compound
  1.    High melting point
  2.    polar
  3.    conductor
  4.    can exist in solid, liquid, and gas
 Discuss Question
Answer: Option D. -> can exist in solid, liquid, and gas
Question 53. Which of the following is correct about structural isomers?
  1.    They have different molecular formulas
  2.    They must have any double or triple bonds in the same position
  3.    They can be either positional or chain isomers
  4.    They must have the same length main chain
 Discuss Question
Answer: Option C. -> They can be either positional or chain isomers
Question 54. Identify the main characteristics of an organic compoung
  1.    Low melting point
  2.    nonpolar
  3.    non-conductor
  4.    All of the above
 Discuss Question
Answer: Option D. -> All of the above
Question 55. What is a cycloalkane?
  1.    a cyclic hydrocarbon
  2.    a cyclic hydrocarbon that contains only single bonds
  3.    a cyclic hydrocarbon with at least one alkyl group
  4.    a six-carbon alkane in the shape of a ring
 Discuss Question
Answer: Option B. -> a cyclic hydrocarbon that contains only single bonds
Question 56. Which of the following undergoes addition reactions
  1.    alkanes
  2.    alkanes and alkenes
  3.    alkanes and alkynes
  4.    alkenes
 Discuss Question
Answer: Option D. -> alkenes
Question 57. How many carbon atoms are in methane?
  1.    1
  2.    2
  3.    3
  4.    4
 Discuss Question
Answer: Option A. -> 1
Question 58. How many steps of mechanism for Free Radical Substitution Reaction of Alkane
  1.    1
  2.    2
  3.    3
  4.    4
 Discuss Question
Answer: Option C. -> 3
Question 59. Electrophilic Addition involves
  1.    The addition of a nucleophile to an alkane
  2.    The addition of a electrophile to an alkane
  3.    The addition of a electrophile to an alkene
  4.    The subtraction of a nucleophile to an alkene
 Discuss Question
Answer: Option C. -> The addition of a electrophile to an alkene
Question 60. What would you make if you added Hydrogen to Ethene?
  1.    Ethane
  2.    Propane
  3.    1,2 - dihydroethane
  4.    Ethanol
 Discuss Question
Answer: Option A. -> Ethane

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