Which reagent is commonly used to convert alkynes to alkenes?

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Question: Which reagent is commonly used to convert alkynes to alkenes?

Options:

Correct Answer: H2/Pd

Solution:

Hydrogenation using H2 in the presence of a catalyst like Pd converts alkynes to alkenes.

Which reagent is commonly used to convert alkynes to alkenes?

Which reagent is commonly used to convert alkynes to alkenes?

Step 1: Identify the starting material, which is an alkyne (a molecule with a triple bond).
Step 2: Choose the reagent needed for the reaction, which is hydrogen gas (H2).
Step 3: Select a catalyst to help the reaction occur more easily; common catalysts include palladium (Pd), platinum (Pt), or nickel (Ni).
Step 4: Combine the alkyne, hydrogen gas, and the catalyst in a suitable reaction environment.
Step 5: Allow the reaction to proceed, which will convert the alkyne into an alkene (a molecule with a double bond).

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