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The number of steps, in which orthophosp...

The number of steps, in which orthophosphoric acid is ionised, are

A

1

B

2

C

3

D

4

Text Solution

Verified by Experts

The correct Answer is:
C
(i) `H_3 PO_4 rarr H^(oplus) + H_2 PO_4^(Ө)`
(ii) `H_2 PO_4 ^(Ө) rarr H^(oplus) + HPO_4 ^(2-)`
(iii) `HPO_4^(2-) rarr H^(oplus) + PO_4^(3 -)`.
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CENGAGE CHEMISTRY-P-BLOCK GROUP 15 ELEMENTS - THE NITROGEN FAMILY-Exercises (Single Correct)
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  3. The number of steps, in which orthophosphoric acid is ionised, are

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  7. N2 forms NCl3 whereas P can form both PCl3 and PCl5. Why ?

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  8. Cl-P-Cl bond angles in PCl5 molecule are

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  9. Hyarolysis of NCl3 gives NH3 and X. Which of the following is X ?

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  10. Chlorine reacts with excess of ammonia to form.

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  16. The cyanide ion CN and N(2) are isoelectronic, but in contrast to CN^(...

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  17. Nitrogen forms N(2) but phosphorous when forms P(2) gets readily conve...

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  18. In NO(3)^(-) ion, the number of bond pair and lone pair of electrons o...

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