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Identify the correct order of acidic str...

Identify the correct order of acidic strengths of `CO_(2),CuO,CaOandH_(2)O` :

A

`CaOltCuOltH_(2)OltCO_(2)`

B

`H_(2)OltCuOltCaOltCO_(2)`

C

`CaOltH_(2)OltCuOltCO_(2)`

D

`H_(2)OltCO_(2)ltCaOltCuO`

Text Solution

Verified by Experts

The correct Answer is:
A
`H_(2)O` is neutral oxide, `CO_(2)` (non-metallic oxide is acidic) while metallic oxides (CaO and CuO) are basic. However, oxides of alkaline earth metals are more basic than oxides of transition metals. Thus, the correct of acidic strength is
`CaOltCuOltH_(2)OltCO_(2)`
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