If the boiling point of H2O is 373 K, the boiling point of H2S will be : (A) equal to 373 K (B) greater than 300 K but less than 373 K (C) less than 300 K (D) more than 373 K

Question

If the boiling point of H2O is 373 K, the boiling point of H2S will be :

(A) equal to 373 K
(B) greater than 300 K but less than 373 K
(C) less than 300 K
(D) more than 373 K

Prashant Kotian · Accepted Answer

Correct answer: C. At room temperature water is liquid and has boiling point 373 K due to hydrogen bonding. Where as H2S is gas and it has no hydrogen bonding. Hence boiling point of H2S is less than 300 K [Boiling point of H2S is –60ºC]

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