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How is pyrophosphoric acid related to or...

How is pyrophosphoric acid related to orthophosphoric acid ?

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To understand the relationship between pyrophosphoric acid and orthophosphoric acid, we can break it down into a few steps: ### Step-by-Step Solution: 1. **Identify the Chemical Formulas**: - Orthophosphoric acid has the chemical formula \( H_3PO_4 \). - Pyrophosphoric acid has the chemical formula \( H_4P_2O_7 \). ...
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PRADEEP-P-BLOCK ELEMENTS -VERY SHORT ANSWER QUESTIONS
  1. Why does H(3)PO(3) act as a reducing agent but H(3)PO(4) does not ?

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  2. Why does orthophosphoric acid exist as a syrupy liquid ?

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  3. How is pyrophosphoric acid related to orthophosphoric acid ?

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  4. Why are the group 16 element called chalcogens ?

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  5. What is the outer shell electronic configuration of the chalcogens ?

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  6. Write the structure of a chalcogenide dianion.

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  7. Name the allotropes of oxygen.

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  8. The two O-O bond lengths in ozone molecule are equal. Assign reason.

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  9. Ozone is thermodynamically unstable. Give reasons.

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  10. How the supersonic jet aeroplanes are responsible for the depletion of...

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  11. Find out the oxidation number of S in (i) SO(2)Cl(2) and (ii) Na(2)S(2...

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  12. Why OF(6) does not exist but SF(6) exists ?

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  13. Predict the relative acidic strength among the following: H(2)O, H(2...

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  14. Give reasons : Thermal stability decreases from H(2)O " to " H(2) Te...

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  15. Arrange the following hydrides of Group 16 elements in the increasing...

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  16. Of PH(3) and H(2)S which is more acidic and why ?

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  17. Arrange the following in order of property indicated for set: H(2)O...

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  18. (a) What happens when : (i) sulphur dioxide is passed through an aqueo...

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  19. Sulphurous acid is reducing agent due to

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  20. In the manufacture of sulphuric acid (H(2)SO(4)) the final product obt...

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