14. Bromine is often used as a laboratory spot test for unsaturation in an aliphatic hydrocarbon. Bromine in CC14 is red. When bromine reacts with an alkene or alkyne, the alkyl halide formed is colorless; hence, a disappearance of the red color is a positive test for unsaturation. A student tested the contents of two vials, A and B, both containing compounds with a molecular formula, C6H₁2. Vial A decolorized bromine, but vial B did not. How may the results for vial B be explained? What class of compound would account for this?

14. Bromine is often used as a laboratory spot test for unsaturation in an aliphatic hydrocarbon. Bromine in CC14 is red. When bromine reacts with an alkene or alkyne, the alkyl halide formed is colorless; hence, a disappearance of the red color is a positive test for unsaturation. A student tested the contents of two vials, A and B, both containing compounds with a molecular formula, C6H₁2. Vial A decolorized bromine, but vial B did not. How may the results for vial B be explained? What class of compound would account for this?

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Concept explainers

Designing a Synthesis

Organic synthesis is a branch of chemical synthesis that involves the planned construction of organic compounds/molecules from smaller units that possess functional groups. Friedrich Wöhler was the first scientist who designed the synthesis of an organic compound, urea from inorganic starting materials silver cyanate with ammonium chloride via a simple, one-step synthesis.

Question

14.
Bromine is often used as a laboratory spot test for unsaturation in an aliphatic hydrocarbon. Bromine in CC14
is red. When bromine reacts with an alkene or alkyne, the alkyl halide formed is colorless; hence, a
disappearance of the red color is a positive test for unsaturation. A student tested the contents of two vials, A
and B, both containing compounds with a molecular formula, C6H₁2. Vial A decolorized bromine, but vial B
did not. How may the results for vial B be explained? What class of compound would account for this?

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