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Phosphoric acid is perferred over sulp...

Phosphoric acid is perferred over sulphuric acid in perparing hydrogen peroxide form peroxides. Why ?

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`H_(2)SO_(4)` acts as a catalyst for decomposition of `H_(2)SO_(4)`. Therefore some weaker acids such as `H_(3)PO_(4),H_(2)CO_(3)` is preferred over `H_(2)SO_(4)` for preparing `H_(2)O_(2)` form peroxides.
`3BaO_(2) + 2H_(3)PO_(4) to underset("Insoluble")(Ba_(3)(PO_(4))_(2)+ 3H_(2)O_(2)`
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  5. Hydrogen generally form covalent compounds. Give reason

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  6. Why is the ionisation enthalpy of hydrogen higher than that of sod...

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  7. Basic pricinple of hyrogen economy is transpotation and storage of ...

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  9. Write the Lewis structure of hydrogen peroxide .

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  10. An acidic solution of hydrogen peroxide behaves as an oxidising ...

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  11. With the help of suitable examples, explain the property of H(2)O(2...

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  13. Why does water show high boiling points as compared to hydrogen su...

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  14. Why can dilute solutions of hydrogen peroxide not be concentrated b...

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  15. Why is hydrogen peroxide stored in wax lined bottles?

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  18. How will you account for 104.5^(@) bond angle in water ?

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