Home
Class 11
CHEMISTRY
Consider the values of DeltaH("in" kJ mo...

Consider the values of `DeltaH("in" kJ mol^(-))` and for `DeltaS("in" mol^(-)K^(-1))` given for four different reactions. For which reaction will `DeltaG` increases the most (becoming more positive) when the temperature is increased form `0^(@)C "to" 25^(@)C`?

A

`Delta H^(@) = 50^(@), Delta S^(@) = 50`

B

`Delta H^(@) = 90, DeltaS^(@) = 20`

C

`Delta H^(@) = -20, Delta S^(@) = -50^(@)`

D

`Delta H^(@) = -90, Delta S^(@) = -20`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • MISCELLANEOUS (TOPICS OF GENERAL INTEREST)

    OP TANDON|Exercise SET-II: Obejctive Questions|25 Videos

  • MISCELLANEOUS (TOPICS OF GENERAL INTEREST)

    OP TANDON|Exercise SET-III: Single Digit Answer Type Questions|20 Videos

  • MISCELLANEOUS (TOPICS OF GENERAL INTEREST)

    OP TANDON|Exercise SET-I: Objective Questions|19 Videos

  • INTRODUCTION TO ORGANIC CHEMISTRY

    OP TANDON|Exercise SINGLE INTEGER ANSWER TYPE|4 Videos

  • OXIDATION AND REDUCTION (REDOX REACTIONS)

    OP TANDON|Exercise SECTION V|3 Videos

Similar Questions

Explore conceptually related problems

The activation energy of a reaction is 9.0 kcal//mol . The increase in the rate consatnt when its temperature is increased from 298 K to 308 K is

For a reaction, DeltaH=10000" kJ "mol^(-1) and DeltaS=25" kJ "k^(-1)mol^(-1) . The minimum temperature, above which the reaction would be spontaneous is

For a reaction, P+Q rarr R+S . The value of DeltaH^(@) is -"30 kJ mol"^(-1) and DeltaS" is "-"100 J K"^(-1)"mol"^(-1) . At what temperature the reaction will be at equilibrium?

AtoB , DeltaH=4 kcal mol^(-1) , DeltaS=10 cal mol^(-1)K^(-1) . Reaction is spontaneous when temperature is

For the reaction at 298 K 2A+B rarr C DeltaH=400 kJ mol^(-1) and DeltaS=0.2 kJ K^(-1) mol^(-1) At what temperature will the reaction becomes spontaneous considering DeltaH and DeltaS to be contant over the temperature range.

For the reaction at 300 K, 2A + B to C Delta H = 450 kJ mol^(-1) and DeltaS = 0.2 kJ K^(-1) mol^(-1) .At what temperature will the reaction become spontaneous considering DeltaH and DeltaS to be constant over the temperature range?

The value of DeltaH and DeltaS for a reaction are respectively 30 kJ mol^(-1) and 100JK^(-1)mol^(-1) . Then temperature above which the reaction will become spontaneous is:

OP TANDON-MISCELLANEOUS (TOPICS OF GENERAL INTEREST)-Brain Stroming Problems
  1. Gadolinium-153 is used in the detection of osteoporosis disease of bon...

    Text Solution

    |

  2. Amount of energy required to excite an electron of an atom from the lo...

    Text Solution

    |

  3. Consider the values of DeltaH("in" kJ mol^(-)) and for DeltaS("in" mol...

    Text Solution

    |

  4. The energy of the orbitals decreases in the order:

    Text Solution

    |

  5. Which of the following is an example of associated colloid ?

    Text Solution

    |

  6. Which of the gas can displace remaining all the gases from the surface...

    Text Solution

    |

  7. Which of the following pairs is correctly matched ?

    Text Solution

    |

  8. Arrangement of the following group of orbitals in which they fill the ...

    Text Solution

    |

  9. pi^(@) meson is exchanged between :

    Text Solution

    |

  10. If nuclecus in an excited state fall to a lower energy level, energy i...

    Text Solution

    |

  11. Minimum amount of energy required to remove a proton is approximately:

    Text Solution

    |

  12. Mark the incorrect statement :

    Text Solution

    |

  13. A certain sample of cuprous sulphide is found to have the composition ...

    Text Solution

    |

  14. Given : (i) NH(3) (g) + 3Cl(2)(g) rarr NCl(3)(g)+3HCl(g), Delta H(1)...

    Text Solution

    |

  15. A sponteneous process may be defined as:

    Text Solution

    |

  16. In the sequence of reaction, L overset(k(1))rarr M overset(k(2))rar...

    Text Solution

    |

  17. The plot of log V against log P at constant temperature for a fixed ma...

    Text Solution

    |

  18. When mercuric iodide is added to the aqueous solution of potassium iod...

    Text Solution

    |

  19. The van der Waal's constant 'b' for water vapour is 0.03 litre mol^(-1...

    Text Solution

    |

  20. For a reaction , the overall rate constant is related to individual r...

    Text Solution

    |