1.

The correct order to decreasing acidic strength of oxyacids of group 15 is:

Answer»

`HNO_3 GT H_3SbO_4 gt H_3AsO_4 gt H_3SbO_4 gt HNO_3`
`H_3PO_4 gtH_3AsO_4 gt H_3SbO_4 gt HNO_3`
`HNO_3 gt H_3PO_4 gt H_3AsO_4 gt H_3SbO_4`
`HNO_3gtH_3AsO_4 gt H_3PO_4 gt H_3SbO_4`

ANSWER :C


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