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Q.

Identify the correct order of acidic strengths of ${CO}_{2} \cdot CuO, CaO, H_{2} O$

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a

$CaO < CuO < H_{2} O < {CO}_{2}$

b

$H_{2} O < CuO < CaO < {CO}_{2}$

c

$CaO < H_{2} O < CuO < {CO}_{2}$

d

$H_{2} O < {CO}_{2} < CaO < CuO$

answer is A.

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Detailed Solution

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Non-metallic oxides are acidic and metallic oxides are basic. Thus the acidic order is

$CaO < CuO < H_{2} O < {CO}_{2}$

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Identify the correct order of acidic strengths of CO2⋅CuO,CaO,H2O