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What is the basicity of pyrophosphoric a...

What is the basicity of pyrophosphoric acid ?

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The correct Answer is:
`(4)`
Pyrophosphoric acid, `H_4 P_2 O_7` has `4P-OH` groups.
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CENGAGE CHEMISTRY ENGLISH-P-BLOCK GROUP 15 ELEMENTS - THE NITROGEN FAMILY-Exercises (Integer)
  1. Nitrogen forms how many oxides

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  2. How many lone pairs are present in nitrogen molecule ?

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  3. The number of unpaired valence electron s in an atom of phosphorus is ...

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  4. How many P-O-P bonds are present in P4 O8 ?

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  5. In solid PCl5 molecule, how many P-Cl bonds are present in the cation ...

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  6. What is the basicity of pyrophosphoric acid ?

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  7. How many sigma-bonds are present in N2 O3 ?

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  8. When excess of ammonia and chlorine react, nitrogen and ammonium chlor...

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  9. What is the atomicity of phosphorous ?

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  10. How many N-O (sigma) bonds are present in N2 O5 ?

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  11. In P4 O10, the number of oxygen atoms bonded to each phosphorus atom i...

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  12. How many unpaired electrons are present in NO molecule ?

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  13. The number of vacant orbitals in the valence shell of phosphorous is .

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  14. How many hydrogen bonds are formed by each H3 PO4 molecule ?

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  15. On hydrolysis, of calcium phosphide, how many moles of phosphine are f...

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  16. How many lone pairs are present in white phosphorous ?

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  17. How many bridging oxygen atoms are present in P(4) O(10) ?

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  18. How many moles of H3 PO4 are obtained on hydrolysis of one mole of P4 ...

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  19. On hydrolysis of magnesium nitride, how many moles of ammonia are prod...

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  20. How many electrons are present in the valence shell of P in PCl3 ?

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