1.

Choose the correct order of dissociation enthalpy of M-H bond in the 16th group.

Answer»

`H_(2)S LT H_(2)O lt H_(2)SE lt H_(2)TE`
`H_(2)O GT H_(2)S gt H_(2)Segt H_(2)Te`
`H_(2)S gt H_(2)O gt H_(2)Te gt H_(2)Se`
`H_(2)Se gt H_(2)Te gt H_(2)S gt H_(2)O`

Answer :B


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