46
QuizMultiple Choice

Nuclear Energy — Cumulative exam

Question 46 • S1S: Chemistry B (E4912 - AG)

Four substances are tested for different properties. The results of the tests are in the table below.SubstanceCombustibleReactivitySolubility in waterSolubility in etherBoiling point (ºC)WYesYesSolubleInsoluble883XYesNoInsolubleInsoluble2,750YYesNoInsolubleSoluble196ZNoYesSolubleSoluble98Which substance is most likely an alkane?

Answer
A
W
B
X
C
Y
D
Z

Explanation

Alkanes are combustible and generally unreactive. Because they are nonpolar, they do not dissolve in water but can dissolve in an organic solvent such as ether. Substance Y matches these properties and has a boiling point of 196 °C, so Y is most likely an alkane.

AI-written and checked against the verified answer.

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