1.

Increasing order of boiling points is:

Answer»

`H_2O GT H_2S gt H_2Se gt H_2Te`
`H_2O gt H_2Te gt H_2Se gt H_2S`
`H_2O gt H_2Se gt H_2Te gt H_2S`
`H_2O gt H_2S gt H_2 TE gt H_2Se`

ANSWER :B


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