Home
Class 12
CHEMISTRY
H(3)PO(4)+H(2) Leftrightarrow H(3)O^(+)+...

`H_(3)PO_(4)+H_(2) Leftrightarrow H_(3)O^(+)+H_(2)PO_(4)^(-),pK_(1)=2.15`
`H_3PO_(4)^(-)+H_(2)O Leftrightarrow H_(3)O^(+)+HPO_(4)^(2-), pK_(2)=7.20`
Hence pH of 0.01 M `NaH_(2)PO_(4)` is

A

9.35

B

4.675

C

2.675

D

7.35

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

H_(3)underline(P)O_(5)+H_(2)O to H_(3)PO_(4)+H_(2)O_(2)

H_(4)underline(P_(2))O_(6)+H_(2)O to H_(3)PO_(3)+H_(3)PO_(4)

P_(4)+NaOH+H_(2)O rarr NaH_(2)PO_(3)+PH_(3) is

H_(4)underline(P_(2))O_(8)+H_(2)O to H_(3)PO_(4)+H_(2)O_(2)

ALLEN-TEST PAPER 2-CHEMISTRY
  1. Which of the following alkene is more stable than

    Text Solution

    |

  2. The treatment of benzene with isobutene in the presence of sulphuric a...

    Text Solution

    |

  3. When phenol is treated with CHCl(3) and NaOH, the product fromed is

    Text Solution

    |

  4. For an imaginary reaction 2X+3Y to "products" Given: rate of disappe...

    Text Solution

    |

  5. Establish the rate law for the reaction : (using the data given below)...

    Text Solution

    |

  6. A gaseous reaction 2A(g) to B(g)+5C(g) shows increase in pressure from...

    Text Solution

    |

  7. The rate of a reaction increases four-fold when the concentration of r...

    Text Solution

    |

  8. The two Bronsted bases in the reaction are HC(2)O(4)^(-)+PO(4)^(3-) to...

    Text Solution

    |

  9. Phenolphthalein does not act as an indicator for the titration between...

    Text Solution

    |

  10. If pK(b) for fluoride ion at 25^(@)C is 10.83, the ionisation constant...

    Text Solution

    |

  11. Calculate the pH of solution that contains [H^(+)]=10^(-8)M is -

    Text Solution

    |

  12. Calculate the pH of 3xx 10^(-4)M Al(OH)(3) solution, if alpha(1)= 80%,...

    Text Solution

    |

  13. Which of the following resultant solution has pH =1

    Text Solution

    |

  14. 10 mL of 10^(-6) M HCl solution is mixed with 90mL H(2)O. pH will cha...

    Text Solution

    |

  15. What is the percentage degree of hydrolysis (approx.) of KCN in N/80 ...

    Text Solution

    |

  16. The pH values of 0.1 M solution of HCOONa (1), HCOOH (I), BaSO(4)(III)...

    Text Solution

    |

  17. The Ksp of PbCl(2)" is "4 xx 10^(-6). Its solublity in 0.1M CaCl(2) so...

    Text Solution

    |

  18. If 50ml of 0.2 M KOH is added to 40 ml of 0.5 M HCOOH, the pH of the r...

    Text Solution

    |

  19. H(3)PO(4)+H(2) Leftrightarrow H(3)O^(+)+H(2)PO(4)^(-),pK(1)=2.15 H3P...

    Text Solution

    |

  20. Silver ions are added to the solution with : [Br^(-)]=[Cl^(-)]=[CO(3)^...

    Text Solution

    |