Which reagent is commonly used for the hydrogenation of alkenes?

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Question: Which reagent is commonly used for the hydrogenation of alkenes?

Options:

Correct Answer: H2/Pt

Solution:

H2 in the presence of a catalyst like platinum (Pt) is commonly used for the hydrogenation of alkenes.

Which reagent is commonly used for the hydrogenation of alkenes?

Which reagent is commonly used for the hydrogenation of alkenes?

Correct Answer: H2 with catalyst like platinum (Pt)

Step 1: Understand what hydrogenation means. Hydrogenation is a chemical reaction that adds hydrogen (H2) to a compound.
Step 2: Know that alkenes are a type of hydrocarbon that contain a carbon-carbon double bond.
Step 3: Identify the reagent used in hydrogenation. The main reagent is hydrogen gas (H2).
Step 4: Recognize that a catalyst is often needed to speed up the reaction. Common catalysts include platinum (Pt), palladium (Pd), or nickel (Ni).
Step 5: Conclude that the common reagent for hydrogenation of alkenes is H2 in the presence of a catalyst like platinum.

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