Home
Class 12
CHEMISTRY
Explain the following: The reduction of ...

Explain the following: The reduction of `Cr_2O_3` with AI is thermodynamically feasible yet it does not occur at room tem-perature.

Promotional Banner

Topper's Solved these Questions

  • MODEL PAPER 14

    UNITED BOOK HOUSE|Exercise EXERCISE|57 Videos

  • QUESTION PAPER 2015

    UNITED BOOK HOUSE|Exercise EXERCISE|71 Videos

Similar Questions

Explore conceptually related problems

Explain why the following reaction, although thermodynamically feasible, does not take place at ordinary temperature. Cr_(2)O_(3)(s)+2Al(s)rarrAl_(2)O_(3)(s)+Cr(s), DeltaG^(@)=-421kJ

In which of the following reactions H_(2)O_(2) acts as a reductant-

Carbon anode in the electrolytic reduction of Al_(2)O_(3) .

Cr_(2)O_(3)+2Al rarr Al_(2)O_(3)+2Cr, (DeltaG^(@)=-"421 kJ") is a thermodynamically feasible reaction as is apparent from the Gibbs energy value. Why does it not take place at room temperature?

Complete the following equations : Cr_(2)O_(7)^(2-)+2OH^(-)to

Write the reactions of (1) reduction of Fe_(2)O_(3) in blast furnace,

The reduction of ZnO with coke is carried out at a higher temperature than that of Cu_(2)O - explain.

Complete the following chemical equations : Cr_(2)O_(7)^(2-)+H^(+)+I^(-)rarr

Althrough thermodynamically feasible, mangesium metal cannot be used for the reduction of Al_(2)O_(3) - why?

UNITED BOOK HOUSE-MP_1-EXERCISE
  1. Explain the following terms: Molecularity of a reaction.

    Text Solution

    |

  2. Explain the following terms: Energy of activation.

    Text Solution

    |

  3. The time required of 10% completion of a first order reaction at 298K ...

    Text Solution

    |

  4. Explain the following terms: Order of a reaction

    Text Solution

    |

  5. Explain the following terms: rate of a reaction.

    Text Solution

    |

  6. The half life of a first order decomposition of NH2NO2 is 2.1 hour at ...

    Text Solution

    |

  7. Draw the structure of the following: P4O(10)

    Text Solution

    |

  8. Draw the structure of the following: SF4

    Text Solution

    |

  9. Explain the following: The reduction of Cr2O3 with AI is thermodynamic...

    Text Solution

    |

  10. How is wrought iron different from steel?

    Text Solution

    |

  11. Write (A) to (J) in the following reaction sequence: CH3-overset(O)ov...

    Text Solution

    |

  12. What are (A) to (J) in the following reaction sequence? H2C-CHO overse...

    Text Solution

    |

  13. What are (A) to (J) in the following reaction sequence?

    Text Solution

    |

  14. What are (A) to (J) in the following reaction sequence? H2C-CHO overse...

    Text Solution

    |

  15. What are (A) to (J) in the following reaction sequence? CH3NH2overset(...

    Text Solution

    |

  16. Give chemcial tests to distinguish between the following: Chlorobenzen...

    Text Solution

    |

  17. Give chemcial tests to distinguish between the following: acetone & ac...

    Text Solution

    |

  18. How will you convert: Phenolrarr Anisole (one step)

    Text Solution

    |

  19. How will you convert: Metaodinitro benzene rarr Metal nitro aniline (o...

    Text Solution

    |

  20. How will you convert: ToluenerarrBenzaldehyde (one step)

    Text Solution

    |