Identify the vinylic halide

This type of question, asked 3 times: 15 May 2023 S2, 10 May 2024 S2, 21 Apr 2025 S1. All 3 questions below, oldest first.

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Question 1
15 May 2023 S2
96 $Which of the following is vinylic halide?$
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Question 2
10 May 2024 S2
91 $Which among the following is vinylic halide?$
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Question 3
21 Apr 2025 S1
54 $Which among the following is vinylic halide?$
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