Correct order of boiling point of group 16 hydrides

(1) H2O<H2S<H2Se<H2Te

(2) H2Te<H2Se<H2S<H2O

(3) H2S<H2Se<H2Te<H2O

(4) H2O<H2Te<H2Se<H2S

(3) Order of boiling point is H2S<H2Se<H2Te<H2O

 

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