1.

Plumbous ion is represented as

Answer»

`Pb^(+2)`
`Pb^(+4)`
`Pb^(+3)`
`Pb^(+1)`

Solution :Suffix 'ous' denotes lower valency exhibited by the metal, when COMPARED with suffix 'ic', which denotes HIGHER valency of the metal. Hence, plumbous is `Pb^(+2)`.


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