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How H(3)PO(3) is diprotic acid?...

How `H_(3)PO_(3)` is diprotic acid?

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H_3PO_3 is diprotic acid. Explain.

Given reason: H_3PO_4 is triprotic acid but H_3PO_3 is diprotic acid. Why?

STATEMENT-1: 0.1 MH_(3)PO_(3) (aq) solution has normality equal to 0.3 N when completely reacted with NaOH. STATEMENT-2 : H_(3)PO_(3) is a dibasic acid.

H_(3)PO_(4) is a weak triprotic acid, approximate pH 0.1 M NaHPO_(4) (aq.) is calculated by:

Carbonic acid (H_(2)CO_(3)), a diprotic acid has K_(a1)=4.0xx10^(-7) and K_(a2)=7.0xx10^(-11). What is the [CO_(3)^(2-)] of a 0.025 M solution of carbonic acid?

Is H_(3)BO_(3) a tribasic acid ?

Explain why orthophosphorus acid, H_3 PO_3 is diprotic .

STATEMENT-1 : In the given reaction, NaOH+H_(3)PO_(4)rarr NaH_(2)PO_(4)+H_(2)O equivalent mass of H_(3)PO_(4) is M//3 STATEMENT-2 : H_(3)PO_(4) is tribasic acid.

H_3PO_4 is triprotic acid. Explain.

Equivalent weight of H_(3)PO_(2) when it disproportionates into PH_(3) and H_(3)PO_(3) is (mol.wt. of H_(3)PO_(2)=M )

MODERN PUBLICATION-p-BLOCK ELEMENTS-EXERCISE
  1. Account for the following : NH3 is a stronger base than PH3.

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  2. Sulphur exhibits greater tendency for catenation than seleniun. Explai...

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  3. How H(3)PO(3) is diprotic acid?

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  4. Give the structure of various oxoacids of chlorine.

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  5. Describ chemistry of manufacture of nitric acid by Ostwald's process.

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  6. Complete the following chemical equation : Ca3P2(s) + H2O (l) rarr .....

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  7. Complete the following reaction : F2(g)+ H2O(l) rarr

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  8. Complete the following equation : Ca3 (PO4)2 + SiO2 + C rarr

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  9. Nitrogen exists as diatomic molecule and phosphorous acts as tetra ato...

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  10. Give the resonating structures of NO2 and N2O5.

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  11. Give two examples to show the anomalous behaviour of fluorine.

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  12. Draw the structure of P4O10.

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  13. Which of the two NH3 and PH3 is more basic and why ?

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  14. Among the hydrides of group 15, predict the hydride having lowest boil...

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  15. Name three allotropes of Phosphorus. Which of these is most reactive ?

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  16. Which of the two : NH3 or PH3 is soluble in water ?

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  17. Arrange the following in increasing order of property mentioned : Redu...

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  18. Give an example of compounds in which the oxidation state of nitrogen ...

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  19. Give an example of compounds in which the oxidation state of nitrogen ...

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  20. Give an example of compounds in which the oxidation state of nitrogen ...

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