What type of reaction occurs when an alkene reacts with hydrogen? (2023) 2023

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Question: What type of reaction occurs when an alkene reacts with hydrogen? (2023) 2023

Options:

Correct Answer: Hydrogenation

Exam Year: 2023

Solution:

The reaction of an alkene with hydrogen is called hydrogenation.

What type of reaction occurs when an alkene reacts with hydrogen? (2023) 2023

What type of reaction occurs when an alkene reacts with hydrogen? (2023) 2023

Step 1: Identify the alkene, which is a type of hydrocarbon with a carbon-carbon double bond.
Step 2: Understand that hydrogenation is a chemical reaction where hydrogen is added to a substance.
Step 3: When an alkene reacts with hydrogen, the double bond between the carbon atoms breaks.
Step 4: The hydrogen atoms then attach to the carbon atoms that were previously double-bonded.
Step 5: The result of this reaction is an alkane, which is a saturated hydrocarbon with single bonds only.

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