which of the following is not a halide hydrocarbon?

which of the following is not a halide hydrocarbon?
Answer
Answer: The fourth - structure (H - C - H with four H atoms attached to C)
Explanation:
Step1: Define halide hydrocarbon
A halide hydrocarbon contains carbon, hydrogen and halogen atoms.
Step2: Analyze structures
The first three structures have carbon, halogen (Cl or F) atoms. The fourth structure has only carbon and hydrogen, no halogen, so it is not a halide hydrocarbon.