Home
Class 11
CHEMISTRY
For the reaction: 2NO(2)(g) to N(2)O(4)(...

For the reaction: `2NO_(2)(g) to N_(2)O_(4)(g): DeltaH lt0`. What predictions can be made about the sign of `DeltaS` and the temperature conditions under which the reaction would be spontaneous?
`{:(,DeltaS_("rxn"),"Temperature Condition"),((a),"negative","low temperature"),((b),"negative","high temperature"),((c),"positive","high temperature"),((d),"postive","low temperature"):}`

A

`{:(,DeltaS_("rxn"),"Temperature Condition"),(,"negative","low temperature"):}`

B

`{:(,DeltaS_("rxn"),"Temperature Condition"),(,"negative","high temperature"):}`

C

`{:(,DeltaS_("rxn"),"Temperature Condition"),(,"positive","high temperature"):}`

D

`{:(,DeltaS_("rxn"),"Temperature Condition"),(,"positive","low temperature"):}`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • SALT ANALYSIS

    GRB PUBLICATION|Exercise Subjective Type|69 Videos

Similar Questions

Explore conceptually related problems

For the equilibrium reaction 2NO_2(g) hArr N_2O_4(g) + 60.0 kJ the increase in temperature

For a chemical reaction, DeltaS = -0.035 kJ//K and DeltaH = -20 kJ . At what temperature does the reaction turn spontaneous?

In the reaction N_(2)(g)+O_(2)(g) hArr 2NO(g), DeltaH= + 180.7kJ . On increasing the temperature the production of NO

Which of the following sets of conditions would result in a reaction that is spontaneous at high temperature but non-spontaneous at low temperature?

Predict the sign of DeltaG for the reaction at a very low temperature for which DeltaH is +ve and DeltaS is positive.

For the reaction PCl_(3)(g) +Cl(g) to PCl_(5)(g) , DeltaH=-86kJ . Under what temperature is this reaction expected to be spontaneous?

For a reaction M_(2)O_((g))to2M_((s))+1/2O_(2(g)) , DeltaH=30 k J mol^(-1) and DeltaS=0.07 k J mol^(-1) at 1 atm . Calculate up to which temperature, the reaction would not be spontaneous.

GRB PUBLICATION-THERMODYNAMICS-All Questions
  1. DeltaG^(@) for a reaction 25^(@)C is 3.5kJ xx mol^(-1). What is the va...

    Text Solution

    |

  2. when the substance below are arranged in order oif increasing entropy ...

    Text Solution

    |

  3. For the reaction: 2NO(2)(g) to N(2)O(4)(g): DeltaH lt0. What predictio...

    Text Solution

    |

  4. Which reaction occurs with a decrease in entropy?

    Text Solution

    |

  5. For a substance with the value of DeltaH(vap) and DeltaS(vap) given be...

    Text Solution

    |

  6. Which of best describtion of the relationship between the absolute ent...

    Text Solution

    |

  7. Which applies to any endothermic reaction?

    Text Solution

    |

  8. Which phase change for water has positive values for both DeltaH^(@) a...

    Text Solution

    |

  9. When solid CuSO(4) dissolves in water to make a 1 M solution, the temp...

    Text Solution

    |

  10. which reaction proceeds with the greates increases in entropy

    Text Solution

    |

  11. For the reaction, N(2)H(4)(l) to N(2)(g) + 2H(2)(g) DeltaH^(@) =-50....

    Text Solution

    |

  12. Diethyl ether has a normal boiling point of 35.0^(@)C and has an entro...

    Text Solution

    |

  13. For a reaction that is exothermic an non-spontaneous at 25^(@)C, which...

    Text Solution

    |

  14. Bromine boils at 59^(@)C with DeltaH(vap)^(@)=29.6kJ mol^(-1) What is ...

    Text Solution

    |

  15. A chemical reaction is carried out twice with the same quantity of rea...

    Text Solution

    |

  16. Which reactions is spontaneous at all temperature at standard pressure...

    Text Solution

    |

  17. Which has the highest standard molar entropy?

    Text Solution

    |

  18. Which always true for a specific system during a spontaneous reaction?

    Text Solution

    |

  19. The boiling point of diethyl ether is 34.6^(@)C. Which is true for the...

    Text Solution

    |

  20. when the substance Na(s), Br(2)(g), Br(2)(l),NaBr(s) are arranged in ...

    Text Solution

    |