Which of the following hydrides has the lowes | vedclass

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(B) In the hydrides of group $16$ elements,the boiling point generally increases down the group due to an increase in molecular mass and van der Waals

Vedclass · Accepted Answer

$H_2S$

Vedclass · Answer

(B) In the hydrides of group $16$ elements,the boiling point generally increases down the group due to an increase in molecular mass and van der Waals forces.However,$H_2O$ has an exceptionally high boiling point due to strong intermolecular hydrogen bonding.Comparing the remaining hydrides $(H_2S, H_2Se, H_2Te)$,$H_2S$ has the lowest molecular mass and the weakest van der Waals forces.Therefore,$H_2S$ has the lowest boiling point.

Which of the following hydrides has the lowest boiling point?

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