Home
Class 11
CHEMISTRY
10^-3 gm equivalents of K2Cr2O7 in 50%...

`10^-3` gm equivalents of `K_2Cr_2O_7` in `50% H_2SO_4` is needed to oxidise all the organic matter present in 1 liter of water. Then COD of water is

A

1 ppm

B

10 ppm

C

12 ppm

D

8 ppm

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

    PATHFINDER|Exercise QUESTION BANK|242 Videos
  • EQUILIBRIUM

    PATHFINDER|Exercise QUESTION BANK|660 Videos

Similar Questions

Explore conceptually related problems

COD of water sample is 8ppm the weight of acidified K_2Cr_2O_7 required to oxidise the organic matter present in one liter of water sample is

COD value of a water sample is 40 ppm, Calculate the amount of acidified K_2Cr_2O_7 required to oxidise the organic matter present in 500 ml of that water sample.

100 mt of a sample of water requires 0.98mg of K_2Cr_2O_7 (M.W=294) in presence of the H_2SO_4 for the oxidation of dissolved organic matter in it. The C.O.D of the water is

0.6 moles of K_(2)Cr_(2)O_(7) can oxidise-

What amount of K_(2)Cr_(2)O_(7) (in mmol) is required to oxidise 24ml 0.05 M Mohr's salt?

COD of a water sample is 8 ppm, Calculate the weight of acidified K_2Cr_2O_7 required to oxidise the matter present in one litre of water sample.

What volume of 2 N K_2Cr_2O_7 solution is required to oxidise 0.81 g of H_2S in acidic medium?

The equivalent weight of K_2Cr_2O_7 in acidic medium is expressed in terms.of its molecular weight M.as—

PATHFINDER-ENVIRONMENTAL CHEMISTRY-QUESTION BANK
  1. Ozone depletion in stratosphere will result in

    Text Solution

    |

  2. Most effective and suitable dust removal equipment for removal of fiya...

    Text Solution

    |

  3. 10^-3 gm equivalents of K2Cr2O7 in 50% H2SO4 is needed to oxidise al...

    Text Solution

    |

  4. Which is incorrectly matched ?

    Text Solution

    |

  5. Proper management of disposal of household and industrial wastes can b...

    Text Solution

    |

  6. There are several regions of atmosphere.Among the following which are ...

    Text Solution

    |

  7. How many of the following are responsible for depletion of ozone layer

    Text Solution

    |

  8. Among the following which are primary pollutant?

    Text Solution

    |

  9. Regarding green chemistry how many statements are wrong ?

    Text Solution

    |

  10. The gases which are responsible for acid rain are

    Text Solution

    |

  11. Among the following,identify the correct statements

    Text Solution

    |

  12. Match Column-I with Column-II

    Text Solution

    |

  13. Match Column-I with Column-II

    Text Solution

    |

  14. Mention the causes for formation of polar stratospheric clouds over An...

    Text Solution

    |

  15. Acid rain is known to contain some acids. Name these acids and mention...

    Text Solution

    |

  16. Carbon monoxide is poisonous. Explain.

    Text Solution

    |

  17. The TLV's of four pollutants A,B,C and D are 9 ppm 10ppm, 100ppm and 5...

    Text Solution

    |

  18. Which is incorrect about 'green house effect'

    Text Solution

    |

  19. Lung diseases are four times more in urban areas then in rural areas. ...

    Text Solution

    |

  20. The species formed in the depletion of ozone layer by chlorofluorocar...

    Text Solution

    |