Home
Class 12
CHEMISTRY
Nicotine, C10H14N2, has two basic nitrog...

Nicotine, `C_10H_14N_2`, has two basic nitrogen atoms and both can react with water to give a basic solution
`Nic(aq) + H_2O(l) Leftrightarrow NicH^+ (aq) + OH^(-)(aq)`
`NicH^+(aq) + H_2O(l) Leftrightarrow NicH_(2)^(2+) (aq) + OH^(-)(aq)`
`K_(b1)" is "7 xx 10^(-7) and K_(b2)" is "10^(-10)`. Calculate the approximate pH of 0.020 M solution.

Text Solution

Verified by Experts

The correct Answer is:
10.07
Promotional Banner

Topper's Solved these Questions

  • IONIC EQUILIBRUIM

    MOTION|Exercise Exercise -4 (Level -1)|19 Videos

  • IONIC EQUILIBRUIM

    MOTION|Exercise Exercise -4 (Level -II)|14 Videos

  • IONIC EQUILIBRUIM

    MOTION|Exercise Exercise -2 (Level -II)|31 Videos

  • HYDROCARBON

    MOTION|Exercise Exercise - 4 (Level-II)|15 Videos

  • ISOMERISM

    MOTION|Exercise Exercise 4|26 Videos

Similar Questions

Explore conceptually related problems

What are conjugate acids and bases ? Select the conjugate acid-base pair from the following reactions: NH_3(aq) +H_2O(l)hArr NH_4^(+)(aq) +OH^(-) (aq) HCN(aq) + H_2O(l) hArr H_3O^(+)(aq) +CN^(-) (aq)

10Cl^(-)(aq) + 2MnO_(4)^(-)(aq) + 16H^(+)(aq) rightarrow 5Cl_(2)(g) + 2Mn^(2+0()aq) + 8H_92)O(l) The value of E^(@) for this reaction at 25^(@)C is 0.15 V. What is the value of K for this reaction?

Pure water ionises as 2H_2O (?) Leftrightarrow H_3O^+ (a)+OH^¯" (aq) At "25^@C the pH of pure water is approximately 7.0 At 37^@C its pH is -

The equilibrium constant for the reaction given is 3.6xx10^(-7)OCl^(-)(aq)+H_2O(l)hArrHOCl(aq)+OH^(-)(aq). What is Ka for HOCl ?

MOTION-IONIC EQUILIBRUIM-Exercise -3
  1. What are the cocentrations of H^+, HSO4^(-), SO4^(2-) and H2SO4 in a 0...

    Text Solution

    |

  2. What are the concentration of H^+, H2C2O4, HC2O(4)^(-) and C2O4^(2-) ...

    Text Solution

    |

  3. Nicotine, C10H14N2, has two basic nitrogen atoms and both can react wi...

    Text Solution

    |

  4. H(3)A is a weak triprotic acid (K(a1)=10^(-5),K(a2)=10^(-9),K(a3)=10^(...

    Text Solution

    |

  5. What is the OH^(-) concentration of a 0.08 M solution of [K(a)(CH(3)CO...

    Text Solution

    |

  6. Calculate the pH of a 2.0 M solution of NH4Cl. [Kb(NH3)= 1.8 xx 10^(-5...

    Text Solution

    |

  7. A 0.25 M solution of pyridinium chloride C(5)H(5)NH^(+)Cl^(-) was foun...

    Text Solution

    |

  8. Calculate the extent of hydrolysis & the pH of 0.02 M CH3COONH4. [K(...

    Text Solution

    |

  9. Calculate the percent hydrolysis in a 0.06 M solution of KCN. [Ka(HCN)...

    Text Solution

    |

  10. Calculate the extent of hydrolysis of 0.005 M K2CrO4. [K2= 3.1 xx 10^(...

    Text Solution

    |

  11. Calculate the percent hydrolysis in a 0.0100 M solution of KCN. (Ka= 6...

    Text Solution

    |

  12. A 0.010 M solution of PuO2(NO3)2 was found to have a pH of 4.0. What i...

    Text Solution

    |

  13. At what pH will a 1.0 xx 10^(-3)M solution of an indicator with K(b) =...

    Text Solution

    |

  14. Calculate the pH of 0.010M NaHCO(3) solution. K(1)=4.5xx10^(-7) , K(...

    Text Solution

    |

  15. Calculate the pH of 0.05 M KHC(8)H(4)O(4) H(2)C(8)H(4)O(4) + H(2)O ...

    Text Solution

    |

  16. The acid ionization (hydrolysis) constant of Zn^(2+)" is "1.0 xx 10^(-...

    Text Solution

    |

  17. The acid ionization (hydrolysis) constant of Zn^(2+)" is "1.0 xx 10^(-...

    Text Solution

    |

  18. Determine [overset(Θ)OH] of a 0.050M solution of ammonia to which suff...

    Text Solution

    |

  19. Calculate the pH of solution prepared by mixing 50.0 mL of 0.200 M HC2...

    Text Solution

    |

  20. A buffer of pH 9.26 is made by dissolving x moles of ammonium sulphate...

    Text Solution

    |