Home
Class 11
CHEMISTRY
If an aqueous solution at 25^(@)C has tw...

If an aqueous solution at `25^(@)C` has twice as many `OH^(-)` as pure water its `pOH` will be

A

`6.699`

B

`7.307`

C

`7`

D

`6.98`

Text Solution

Verified by Experts

The correct Answer is:
A

`[OH^(-)]=2xx10^(-7)`
`pOH=14-pH or-log[OH^(-)]`
Promotional Banner

Topper's Solved these Questions

  • IONIC EQUILIBIUM

    A2Z|Exercise Salt Hydrolysis|36 Videos
  • IONIC EQUILIBIUM

    A2Z|Exercise Common Ion Effect, Ksp And Applications|38 Videos
  • IONIC EQUILIBIUM

    A2Z|Exercise Section D - Chapter End Test|30 Videos
  • HYDROGEN

    A2Z|Exercise Section D - Chapter End Test|30 Videos
  • MOCK TEST

    A2Z|Exercise Mock Test 2|45 Videos

Similar Questions

Explore conceptually related problems

The pH of solution at 25^@C which has twice as many hydroxide ion as in pure water at 25^@C , will be

The pH of a solution which is twice as acidic as pure water is (Given : log 2 = 0.3)

How many litres of water must be added to 1 L of an aqueous solution of HCl with a pH of 1 to create an aqueous solution with pH of 2 ?

Which 0.10 M aqueous solution has the smallest change in freezing point relative to pure water ?

An aqueous solution of methanol in water has vapour pressure:

A2Z-IONIC EQUILIBIUM-Ph, Pkw And Ph Mixture Of Acid And Bases
  1. 10^(-2) mole of NaOH was added to 10 litres of water. The pH will chan...

    Text Solution

    |

  2. For an aqueous solution to be neutral it must have

    Text Solution

    |

  3. If an aqueous solution at 25^(@)C has twice as many OH^(-) as pure wat...

    Text Solution

    |

  4. The pH of an aqueous solution of 0.1 M solution of a weak monoprotic a...

    Text Solution

    |

  5. pH of a 10^(-10) M NaOH is nearest to

    Text Solution

    |

  6. The following reaction takes place in the body CO(2)+H(2)OhArrH(2)CO...

    Text Solution

    |

  7. Equal volumes of two solutions of a strong acid having pH 3 and pH 4 a...

    Text Solution

    |

  8. Let K(w) at 100^(@)C be 5.5xx10^(-13) M^(2). If an aqueous solution at...

    Text Solution

    |

  9. pH value of pure water at 0^(@)C will be?

    Text Solution

    |

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

    Text Solution

    |

  11. 10^(-6)M HCl is diluted to 100 times. Its pH is:

    Text Solution

    |

  12. A certain weak acid has a dissociation constant 1.0xx10^(-4). The equi...

    Text Solution

    |

  13. 10 mL of 10^(-6) M HCl solution is mixed with 90mL H(2)O. pH will cha...

    Text Solution

    |

  14. At 25^(@)C K(b) for BOH=1.0xx10^(-12).0.01M solution of BOH has [OH^(-...

    Text Solution

    |

  15. Which of the following is true

    Text Solution

    |

  16. pOH water is 7.0at 298 K. If water is heated to 350K, which of the fol...

    Text Solution

    |

  17. In pure liquid of HCOOH, concentration of HCOO^(-)=10^(-3) M at 27^(@)...

    Text Solution

    |

  18. At certain temperature K(w) for water 4xx10^(-14) which of the followi...

    Text Solution

    |

  19. The pH of Ba(OH)(2) solution is 13. The number millimoles of Ba(OH)(2)...

    Text Solution

    |

  20. The pH of 0.01 (M) KOH is 12, if the temperature of the given KOH solu...

    Text Solution

    |