Thermal stability of interhalogen compounds

This type of question, asked 3 times: 2 May 2023 S2, 3 May 2023 S2, 17 Apr 2026 S1. All 3 questions below, oldest first.

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Question 1
2 May 2023 S2
55 $Identify a compound having the highest thermal stability.$
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Question 2
3 May 2023 S2
57 $Identify the correct decreasing order of thermal stability from following.$
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Question 3
17 Apr 2026 S1
33 $Which from following compounds has lowest thermal stability?$
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