1.

The reducing nature of hydrides of groupP 10 elements vary as

Answer»

`H_(2)Po GT H_(2)Te gt H_(2)Se gt H_(2)S TGT H_(2)O`
`H_(2)O gt H_(2)S gt H_(2)Se gt H_(2)Te tgt H_(2)Po`
`H_(2)S gt H_(2)Se gt H_(2)Te gt H_(2)O tgt H_(2)Po`
`H_(2)O gt H_(2)Po gt H_(2)Te gt H_(2)Se tgt H_(2)S`

Answer :A


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