A \( \text{ClCH} = \text{CHCI} \)
B \( \text{CH}_2 = \text{CHCI} \)
C \( \text{CH}_2 = \text{CH}_2 \)
D \( \text{Cl}_2\text{C} = \text{CH}_2 \)
E \( \text{Cl}_2\text{CH}-\text{CHCI}_2 \)
Correct Answer: Option A
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