MHT CET · Chemistry · p Block Elements (Group 15, 16, 17 & 18)
Which from following molecules exhibits lowest thermal stability?
- A \(\mathrm{H}_2 \mathrm{O}\)
- B \(\mathrm{H}_2 \mathrm{Te}\)
- C \(\mathrm{H}_2 \mathrm{Se}\)
- D \(\mathrm{H}_2 \mathrm{~S}\)
Answer & Solution
Correct Answer
(B) \(\mathrm{H}_2 \mathrm{Te}\)
Step-by-step Solution
Detailed explanation
The thermal stability of hydrides of group 16 elements decreases from \(\mathrm{H}_2 \mathrm{O}\) to \(\mathrm{H}_2 \mathrm{Te}\).
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