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Which of the following statement(s) is/are INCORRECT? I. Alkenes are fairly unreactive. II. Alkenes burn with blue flame. III. Alkanes burn with yellow flame.

Which of the following statement(s) is/are INCORRECT? I. Alkenes are fairly unreactive. II. Alkenes burn with blue flame. III. Alkanes burn with yellow flame. Correct Answer All I, II and III

  • Alkenes, in organic chemistry, are the unsaturated hydrocarbons which at least contain one carbon-carbon double bond. They are more reactive than alkanes, burn with a sooty and smoky flame which is yellow in color. This indicates incomplete combustion due to the presence of carbon-carbon double bond.
  • Alkanes are the saturated hydrocarbons and burn with a blue flame.

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