Home
Class 12
CHEMISTRY
The pH of D(2)O and H(2)O at 298 k is...

The pH of `D_(2)O` and `H_(2)O` at 298 k is

A

7.0,7.0

B

7.35,7.0

C

7.0,6.85

D

6.85.85,7.35

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • HYDROGEN

    MODERN PUBLICATION|Exercise MULTIPLE CHOICE QUESTION (LEVEL-III)|3 Videos
  • HYDROGEN

    MODERN PUBLICATION|Exercise RECENT EXAMINATION QUESTIONS|4 Videos
  • HYDROGEN

    MODERN PUBLICATION|Exercise RECENT EXAMINATION QUESTIONS|4 Videos
  • HYDROCARBONS

    MODERN PUBLICATION|Exercise RECENT EXAMINATION QUESTIONS|9 Videos
  • ISOMERISM IN ORGANIC COMPOUNDS

    MODERN PUBLICATION|Exercise RECENT EXAMINATION QUESTIONS|1 Videos

Similar Questions

Explore conceptually related problems

Changes in enthalpy for the reaction : 2H_(2)O_(2)(g) rarr 2H_(2)O (l) + O_(2)(g) if heat of formation of H_(2)O_(2)(l) and H_(2)O(l) are -188 kJ mol^(-1) and -286 kJ mol^(-1) respectively is

The enthalpies of formation of N_(2)O and NO at 298 K are 82 and 90 kJ mol^(-1) . The enthalpy of the reaction : N_(2)O(g) + (1)/(2) O_(2) rarr 2 NO(g) is

The structure of H_(2)O_(2) is

If S + O_(2) rarr SO_(2), Delta H = -298.2 kJ SO_(2) + (1)/(2) O_(2) rarr SO_(3), Delta H = -98.2 kJ SO_(3) + H_(2)O rarr H_(2)SO_(4), Delta H = -130.2 kJ H_(2) + (1)/(2) O_(2) rarr H_(2)O, Delta H = -287.3 kJ the enthalpy of formation of H_(2)SO_(4) at 298 K will be

For the reaction : C_(2)H_(4)(g) + 3 O_(2)(g) rarr 2 CO_(2)(g) + 2 H_(2)O(l) at 298 K, Delta U = - 1415 kJ . If R = 0.0084 kJ K^(-1) . Then Delta H is equal to

The ratio between the root mean square velocity of H_(2) at 50K and that of O_(2) at 800K is

Between H_(2)S and H_(2)O, H_(2)O is more polar. Why?

MODERN PUBLICATION-HYDROGEN-MULTIPLE CHOICE QUESTION (LEVEL-II)
  1. The strength of 10 volume of H(2)O(2) solution is

    Text Solution

    |

  2. In which of the following reaction H(2)O(2) is acting as a reducing ag...

    Text Solution

    |

  3. The pH of D(2)O and H(2)O at 298 k is

    Text Solution

    |

  4. Metal hydrides are ionic covalent or molecular in nature among LiH ,...

    Text Solution

    |

  5. Which of the following hydrides is electron precise hydride

    Text Solution

    |

  6. The oxide which gives H(2)O(2) on treatment with dilute acid is

    Text Solution

    |

  7. Which of the following equations depict the oxidising nature of H(2)O...

    Text Solution

    |

  8. When sodium peroxide is treated with dilute suplhuric acid we get …………...

    Text Solution

    |

  9. Consider the reaction A H(2)O(2)+2HIrarrI(2)+2H(2)O B HOCI+H(2)O(2...

    Text Solution

    |

  10. Which of the following reactions is an example of use of water gas i...

    Text Solution

    |

  11. Elements of which of the following group of periodic table do not form...

    Text Solution

    |

  12. Which of the following reaction increases production of dihydrogen fr...

    Text Solution

    |

  13. Why do calcium ions make water hard but sodium do not

    Text Solution

    |

  14. Ortho and para hydrogen have

    Text Solution

    |

  15. Amongst H(2)O H(2)S,H(2) Se and H(2) Te the one with the highest ...

    Text Solution

    |

  16. Polyhosphates are used as water softening agents because they

    Text Solution

    |

  17. Which one of the following processes will pro duce hard water

    Text Solution

    |

  18. The reagent commonly used to determine hardness of water titrimetrica...

    Text Solution

    |

  19. One mole of magnesium nitride on reaction with excess of water gives

    Text Solution

    |

  20. In context with the industrial preparation of hydrogen from water gas...

    Text Solution

    |