Which reagent can be used to distinguish between an alkyne and an alkene?

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Question: Which reagent can be used to distinguish between an alkyne and an alkene?

Options:

Correct Answer: Bromine water

Solution:

Bromine water can be used to distinguish between an alkyne and an alkene, as alkynes will decolorize it.

Which reagent can be used to distinguish between an alkyne and an alkene?

Which reagent can be used to distinguish between an alkyne and an alkene?

Step 1: Understand that alkenes and alkynes are types of hydrocarbons. Alkenes have a double bond, while alkynes have a triple bond.
Step 2: Know that bromine water is a reddish-brown solution used in chemical tests.
Step 3: Add bromine water to the sample you want to test (the alkyne or alkene).
Step 4: Observe the color change. If the solution turns colorless, it means the compound is an alkyne.
Step 5: If the solution remains reddish-brown, the compound is an alkene.

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