Home
Class 12
CHEMISTRY
C(a) + CO(2)(g) rarr 2CO(g) " " Delta...

`C(a) + CO_(2)(g) rarr 2CO(g) " " DeltaH=172 KJ "mol"^(-1)`
In a suitable reaction vessel. Pieces of graphite are mixed with carbon dioxide gas at 1.00 atm and 1000 K . Which of the following changes will result in an increase in reaction rate?

A

Decrease in size of the graphite pieces

B

Decrease in temperature

C

Decrease in partial pressure of CO(g)

D

Decrease in partial pressure of `CO_(2)(g)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL KINETICS

    GRB PUBLICATION|Exercise Mechanism of Reactions|45 Videos

  • CHEMICAL KINETICS

    GRB PUBLICATION|Exercise compllcatio in first order reactions|17 Videos

  • CHEMICAL KINETICS

    GRB PUBLICATION|Exercise E. Methods to Monitor the Progress of Reaction|43 Videos

  • CHEMICAL BONDING-I

    GRB PUBLICATION|Exercise Subjective Type|120 Videos

  • COORDINATION COMPOUNDS

    GRB PUBLICATION|Exercise SBJECTIVE TYPE|98 Videos

Similar Questions

Explore conceptually related problems

For the reaction 2CO(g) +O_(2)(g) rarr 2CO_(2)(g) , DeltaH=-560 kJ mol^(-1) In 1 litre vessel at 500 K, the initial pressure is 70 atm and after the reaction, it becomes 40 atm at constant volume of one litre. All the above gases show significant deviation from ideal behavious (1 L atm =0.1 kJ). the change in internal energy will be

2C_"(s)" + O_(2(g)) to 2CO_((g)) , DeltaH = - 220 KJ, Which statement is correct for the reaction :-

For the reaction CO (g) + (1)/(2) O_(2) (g) rarr CO_(2) (g) Delta H and Delta S are 283 kJ and -87 J K^(-1) , respectively. It was intended to carry out this reaction at 1000,1500,3000, and 3500 K. At which of these temperatures would this reaction be thermodynamically spontaneous?

The reaction C_(2)H_(6)(g) iff C_(2)H_(4)(g)+H_(2)(g) is at equilibrium in a closed vessel at 1000 K. The enthalpy change (DeltaH) for the reaction is 137.0kJ mol^(-1) . Which one of the following actions would shift the equilibrium to the right ?

For the reaction 2CO(g)+O_(2)(g)rarr 2CO_(2), DeltaH=-500kJ. Two moles of CO and one mole of O_(2) are taken in a container of volume 2 L. They completely from two moles of CO_(2) , the gas deviate appreciably from ideal behaviour. If pressure in vessel change from 35 to 20 atm. Find the magnitude of DeltaU" at "500K . (Assume 1 L - atom = 0.1 kJ)

DeltaH and DeltaS for Br_(2)(l) +CI_(2)(g) rarr 2BrCI(g) are 29.00 kJ mol^(-1) and 100.0 J K^(-1) mol^(-1) respectively. Above what temperature will this reaction become spontaneous?

GRB PUBLICATION-CHEMICAL KINETICS-F. Effect of Temperature and Catalyst
  1. Which accounts for the increase in the rate of a reaction when a catal...

    Text Solution

    |

  2. A reaction has a rate constant k=8.54 xx 10^(-4)M s^(-1) at 45^(@) C a...

    Text Solution

    |

  3. C(a) + CO(2)(g) rarr 2CO(g) " " DeltaH=172 KJ "mol"^(-1) In a sui...

    Text Solution

    |

  4. Which statement about eh behavior of a catalyst is correct?

    Text Solution

    |

  5. Which of the following are reasons why reaction rates increase at temp...

    Text Solution

    |

  6. What is the effect of adding a catalyst on the rate of a reversible re...

    Text Solution

    |

  7. For a reversible exothermic reaction , which is the effect of increasi...

    Text Solution

    |

  8. Select the incorrect statement.

    Text Solution

    |

  9. We can represent the decomposition of N(2)O(5)(g) at a fixed temperatu...

    Text Solution

    |

  10. For the equilibrium, A(g) rarr B(g) , DeltaH is -40 KJ/mol. If the...

    Text Solution

    |

  11. A reacation takes place in three steps with actiation energy E(a(1))=1...

    Text Solution

    |

  12. A catalyst decreases E(a) form 100 KJ mol^(-1) to 80 KJ mol^(-1) At wh...

    Text Solution

    |

  13. In Arrhenius equation K =Ae^(-E(a)//RT), as underset(Trarroo)"lim" "lo...

    Text Solution

    |

  14. The rates of which reactions are increased when the temperature s rais...

    Text Solution

    |

  15. This exothermic reaction is catalyzed by MnO(2)(s). 2H(2)O(2)(aq) ra...

    Text Solution

    |

  16. The rate of a reaction at 75^(@) C is 30.0 times that at 25^(@) C . W...

    Text Solution

    |

  17. The reaction A+B rarr AB has an enthalpy of reaction of -85.0 KJ-"mol"...

    Text Solution

    |

  18. Which equation indicates the presence of a catalyst in the reaction?

    Text Solution

    |

  19. When the temperature of a reaction is raised from 300 K to 310 K, the...

    Text Solution

    |

  20. A particular reaction rate increases by a a factor of five when the te...

    Text Solution

    |