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in Chemistry by (71.8k points)

Amongst H2O, H2S, H2Se and H2Te, the one with the highest boiling point is  

(a) H2O because of hydrogen bonding 

(b) H2Te because of higher molecular weight 

(c) H2S because of hydrogen bonding 

(d) H2Se because of lower molecular weight.

1 Answer

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Best answer

The correct option (a) H2O because of hydrogen bonding

Explanation:

H2O shows higher boiling point (inspite of lower molecular weight) on account of strong H-bonding, while H2S, H2Se and H2Te do not form H-bonding,

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