1.

Which of the following shows iso-structural species ?

Answer»

`NH_(4)^(+)` and `AlCI_(4)^(-) `
`CH_(3)^(-)` and `H_(3)O^(+)`
`SO_(4)^(2-) , PO_(4)^(3)` and `BF_(4)^(-) `
`SiCI_(4)` and `CO_(2)`

Answer :A::B::C


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