Question

(H2O) is liquid and (H2S) id gas at ordinery temperature.why?​

Answer 1

Answer:

Because in H2O oxygen has high electronegativity due to which the bonding between H and O bond is very stronger while in H2S the bonding between H and S is less stronger.

Explanation:

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Answer 2

Answer:

As H2(g) and 1/2 O2(g) reacts to give a compound H20(aq) [i.e, water] and If H2(g) and 1/2 (S2) by reacting them we get H2S(s) [i.e, hydrogen sulfide] A/C to this H2S gives out rotten egg smell, in the reaction. Therefore, H2S is an exothermic reaction that's why it gas