Home
Class 12
CHEMISTRY
Identify the correct statement regarding...

Identify the correct statement regarding entropy

A

at absolute zero, the entropy of a perfectly crystalline substance is +ve.

B

at absolute zero, the entropy of a perfectly crystalline substance is zero.

C

at `0^(@)C` the entropy of a perfectly crystalline substance is taken to be zero.

D

at absolute zero of temperature the entropy of all crystalline substances is taken to be zero.

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • Chemical Thermodynamics and Thermochemistry

    OP TANDON|Exercise Set 2|18 Videos

  • Chemical Thermodynamics and Thermochemistry

    OP TANDON|Exercise Objective Question Level B|56 Videos

  • Chemical Thermodynamics and Thermochemistry

    OP TANDON|Exercise Practice problems|81 Videos

  • CHEMICAL KINETICS

    OP TANDON|Exercise LINKED COMPRESHENSION TYPE QUESTIONS ( SECTION-VI)|4 Videos

  • CLASSIFICATION AND NOMENCLATURE OF ORGANIC COMPOUNDS

    OP TANDON|Exercise INTEGER|2 Videos

Similar Questions

Explore conceptually related problems

The correct statement regarding entropy is:

Identify the correct statement regarding enzymes

Identify the correct statement regarding enzymes.

OP TANDON-Chemical Thermodynamics and Thermochemistry-Objective Question Level-A
  1. Which of the following thermodynamic relation is correct?

    Text Solution

    |

  2. The enthalpy of formation for C(2)H(4)(g), CO(2)(g) and H(2)O(l) at 25...

    Text Solution

    |

  3. Identify the correct statement regarding entropy

    Text Solution

    |

  4. When enthalpy and entropy change for a chemical reaction are -2.5 xx10...

    Text Solution

    |

  5. One mole of an ideal gas at 300K is expanded isothermally from an init...

    Text Solution

    |

  6. Latent heat of vaporisation of a liquid at 500K and 1 atm pressure is ...

    Text Solution

    |

  7. The enthalpy change of a reaction does not depend on

    Text Solution

    |

  8. Which plot represents for an exothermic reaction ?

    Text Solution

    |

  9. Given : S((s))+(3)/(2)O(2(g))rarrSO(3(g)+2X Kcal SO(2(s))+(1)/(2)O(2...

    Text Solution

    |

  10. NH(3)(g)+3Cl(2)toNCl(3)(g)+3HCl(g),DeltaH(1) N(2)(g)+3H(2)(g)to2NH(3...

    Text Solution

    |

  11. The word 'standard' in standard molar enthalpy change implies

    Text Solution

    |

  12. The heat of formation (DeltaH(f)^(@)) of H(2)O(l) is equal to :

    Text Solution

    |

  13. The value of DeltaH and DeltaS for a reaction are respectively 30 kJ m...

    Text Solution

    |

  14. The value of DeltaH^(@) for the reaction Cu^(+)(g)+I^(-)(g)toCuI(g) is...

    Text Solution

    |

  15. If the enthalpy change for the reaction, CH(4)(g)+Cl(2)(g)toCH(3)Cl(...

    Text Solution

    |

  16. The standard heat of formation of sodium ions in aqueous solution from...

    Text Solution

    |

  17. AB,A(2) and B(2) are diatomic molecules. If the bond enthalpies of A(2...

    Text Solution

    |

  18. The lattice energy of solid NaCI is 180 kcal mol^(-1). The dissolution...

    Text Solution

    |

  19. Which one of the following statement is false?

    Text Solution

    |

  20. DeltaG^(ɵ) for the reaction X+YhArrC is -4.606 kcal at 1000 K. The equ...

    Text Solution

    |