The boiling points of hydrides of group 16 are in the order
The boiling points of hydrides of group 16 are in the order
A. `H_(2)O gt H_(2)S gt H_(2)Se gt H_(2)Te`
B. `H_(2)O gt H_(2)Se gt H_(2)Te gt H_(2)O`
C. `H_(2)O gt H_(2)Te gt H_(2)Se gt H_(2)S`
D. `H_(2)Te gt H_(2)Se gt H_(2)O gt H_(2)S`
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Correct Answer - C
Boiling point increases in moving from `H_2S` to `H_2Te,` owing to increase in vander Waals forces, due to the increase in molecular mass. `H_2O` has UPI exceptionally high b.p. because it form strong ba intermolecular H-bonds.
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