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Identify the correct order of acidic strength of CO2, CuO, CaO, H2O. (a) CaO < CuO < H2O < CO2 (b) H2O < CuO < CaO < CO2

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Identify the correct order of acidic strength of CO2, CuO, CaO, H2O.

(a) CaO < CuO < H2O < CO2 

(b) H2O < CuO < CaO < CO2 

(C) CaO < H2O < CuO < CO2 

(d) H2O < CO2 < CaO < CuO

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1 Answer

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Best answer

The correct option (a) CaO < CuO < H2O < CO2

Explanation:

CO2 → acidic, CuO → weak base

CaO → basic, H2O → neuhal

So, correct order of acidic strength is

CaO < CuO < H2O < CO2.

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