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H2O is amphoteric whereas H2S is …

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H2O is amphoteric whereas H2S is acidic. Why?
  • 2 answers

Shruti Singh 6 years, 3 months ago

Due to IMHB

Gaurav Seth 6 years, 3 months ago

S is much larger atom than O, so the H–S bond is much longer and weaker than H–O; hence H2O is weaker acid than H2S. HF is stronger than H2S because the small F- ion bonds more strongly to the water molecules than does the larger HS- 

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