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Question

From the given compounds, X is the number of compounds which are acidic in water.

CaO, SO2, SO3, Fe2O3, Cl2O7, CO2, Na2O.

Find the value of X.

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Solution

Generally, metallic oxides are basic in nature and non-metallic oxides are acidic in nature.

Value of x=4
SO2, SO3, Cl2O7, CO2 are acidic in nature.

CaO,Na2O are basic in nature.

Fe2O3 is amphoteric in nature.

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