Home
Class 11
CHEMISTRY
Calculate the [OH^-] in 0.01 M aqueous ...

Calculate the `[OH^-]` in 0.01 M aqueous solution of NaOCN `(K_b` for `OCN^-)=10^-10)`

A

`10^-6 M`

B

`10^-7 M`

C

`10^-8 M`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ENVIRONMENTAL CHEMISTRY

    PATHFINDER|Exercise QUESTION BANK|157 Videos
  • GOC-II & III

    PATHFINDER|Exercise QUESTION BANK|144 Videos

Similar Questions

Explore conceptually related problems

Calculate the approximate pH of 0.1 M aqueous H_2S solution. K_1 and k_2 for H_2S are 1.0 xx 10^(-7) and 1.3 xx 10^(-13) respectively at 25^@C

Calculate the pH of 10^-8 (M) NaOH solution.

The percentage of pyridine (C_5H_5N) that forms pyridinium ion (C_5H_5N^+H) in a 0.10(M) aqueous pyridine solution (K_b) for C_5H_5N=107xx10^(9)) is

Calculate the pH of 10^-8 (M) HCI solution.

A solution of contains 0.1 M H_2S and 0.3 M HCl, Calculate the conc. Of S^(2-) and HS^- ions in solution, Given K_a2 for H_2S are 10^-7 and 1.3 XX10^-13 respectively.

The pH of 0.01 (M) acetic solution at 25^@C ( K_a=1.85xx10^-5 )

Calculate the pH of 0.1 (N) acetic acid solution. Given: K_(a) (acetic acid) =1.8xx10^(-5)

Calculate the pH of 0.01 (M) CH_(3) CO OH at 25^(@) C .

The value of ionisation constant of pyridine (C_(5)H_(5)N) at 25^(@)C is 1.6xx10^(-9) . What is the concentration of OH^(-) ions in a 0.1 (M) aqueous solution of pyridine at that temperature ?

The 25^(@)C , in an aqueous solution of HA, K_a for HA= 10^(-6).K_b for A^- ion is __________

PATHFINDER-EQUILIBRIUM-QUESTION BANK
  1. H2O+H3PO4 iff(H3O)^(+)+(H2PO4)^- pK1=2.15 H2O+H3PO4 iff(H3O)^(+)+(...

    Text Solution

    |

  2. The pH of solution obtained by mixing 10 ml of 10^-1 N HCl and 10 ml o...

    Text Solution

    |

  3. Calculate the [OH^-] in 0.01 M aqueous solution of NaOCN (Kb for OCN^...

    Text Solution

    |

  4. If a salt of strong acid and weak base hydrolysis appreciably (alpha=0...

    Text Solution

    |

  5. Calculate [H^+]at equivalence point between titration of 0.1 M, 25 mL ...

    Text Solution

    |

  6. 1 M NH4OH and 1 M HCl are mixed to make total volume of 300 mL. If pH ...

    Text Solution

    |

  7. A solution of weak acid HA was titrated with base NaOH. The equivalent...

    Text Solution

    |

  8. P^H of a solution made by mixing 50 ml of 0.2 M NH4Cl and 75 ml of 0.1...

    Text Solution

    |

  9. In the titration of NH4OH with HCl, the indicator which cannot be used...

    Text Solution

    |

  10. A buffer solution 0.04 M in Na2HPO4 and 0.02 M in Na3HPO4 is prepared....

    Text Solution

    |

  11. 0.1 M formic acid solution is titrated against 0.1 M NaOH solution. Wh...

    Text Solution

    |

  12. When a 20 mL of 0.08 M weak BOH is titrated with 0.08 M HCl, the pH of...

    Text Solution

    |

  13. What is [Ag^+] in a solution made by dissolving both Ag2CrO4 and Ag2C2...

    Text Solution

    |

  14. M(OH)x has K(sp)=4xx10^-12 and solubility 10^-4 M. hence x is:

    Text Solution

    |

  15. The volume of the water needed to dissolve 1g of BaSO4 (K(sp)=1.1xx1...

    Text Solution

    |

  16. A solution contains 0.05 M each of NaCl and Na2CrO4 solid AgNO3 is gra...

    Text Solution

    |

  17. Calculate the pH at the equivalence point when a solution of 0.1M acet...

    Text Solution

    |

  18. The hydroxyl ion concentration in 0.001 (M) HCl solution is

    Text Solution

    |

  19. A sulphuric acid solution has pH=2, Its molarity is (Assume 100% ionis...

    Text Solution

    |

  20. The H^+ ion concentration of 0.2 M CH3COOH which is 30% dissociated is

    Text Solution

    |