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  • Inorganic Elements and their Compounds - 1
  • Which of the following compounds is thermally the most st...
Multiple choice

Which of the following compounds is thermally the most stable?

  1. H2O

  2. H2S

  3. H2Se

  4. H2Te

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A Correct answer
Explanation

The thermal stability of the hydrides decreases from H2O to H2Po due to the increase in bond length and decrease in bond energy with increase in atomic size. H2O > H2S > H2Se > H2Te > H2Po 

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