Ethene and ethyne are examples of ____.

Explanation

To solve the question "Ethene and ethyne are examples of ____," we can follow these steps:

### Step 1: Identify the Compounds
- Ethene (C2H4) and ethyne (C2H2) are both hydrocarbons, which means they are organic compounds made up of hydrogen and carbon atoms.

### Step 2: Classify the Hydrocarbons
- Hydrocarbons are classified into three main categories:
1. Alkanes (single bonds, general formula CnH2n+2)
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