Home
Class 11
CHEMISTRY
Following data is known about melting of...

Following data is known about melting of a compound AB`.DeltaH=9.2kJmol^(-1),DeltaS=0.008kJK^(-1)mol^(-1)` Its melting point is

A

`736K`

B

`1050K`

C

`1150k`

D

`1150^(@)C`

Text Solution

Verified by Experts

The correct Answer is:
D
`T_(m)=(DeltaH_(fusion))/(DeltaS_(fusion))=(9.2)/(0.008)=1150K` .
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL THERMODYNAMICS

    A2Z|Exercise Assertion - Reasoning Questions|7 Videos

  • CHEMICAL THERMODYNAMICS

    A2Z|Exercise Section D - Chapter End Test|30 Videos

  • CHEMICAL THERMODYNAMICS

    A2Z|Exercise AIPMT/ NEET Questions|53 Videos

  • CHEMICAL EQUILIBRIUM

    A2Z|Exercise Section D - Chapter End Test|30 Videos

  • CLASSIFICATION OF ELEMENTS AND PERIODICITY OF PROPERTIES

    A2Z|Exercise Section D - Chapter End Test|30 Videos

Similar Questions

Explore conceptually related problems

The following data is known about the melting of KCl: DeltaH=7.25kJ" "mol^(1) and DeltaS=+0.007JK^(-1)" "mol^(-1) Calcualt eits melting point.

The following data is known for melting of KCI: DeltaS^(Theta) = 0.007 kJ K^(-1) mol^(-1), DeltaH^(Theta) = 7.25 kJ mol^(-1) Calculate the melting point of KCI .

For a reaction DeltaH=+29kJ" "mol^(-1),DeltaS=-35KJ^(-1)" "mol^(-1) at what temperature, the reaction will be spontaneous?

DeltaH=30kJmol^(-1), DeltaS=75J//K//mol. "find boiling temperature at" 1atm:

The temperature in K at which DeltaG=0 for a given reaction with DeltaH=-20.5 kJ mol^(-1) and DeltaS=-50.0 JK^(-1) mol^(-1) is

The values of DeltaH and DeltaS for two reactions are given below: Reaction A : DeltaH =- 10.0 xx 10^(3)J mol^(-1) DeltaS = +30 J K^(-1) mol^(-1) Reaction B: DeltaH =- 11.0 xx 10^(3)J mol^(-1) DeltaS =- 100J K^(-1) mol^(-1) Decide whether these reactions are spontaneous or not at 300K .

For a given reaction DeltaH=35.5kJmol^(-1) and DeltaS=83.6JK^(-1)mol^(-1) .The reaction is spontaneous at :(Assume that DeltaH and DeltaS do no vary with temperature)

Calculate the entropy changes of fustion and vaporisation for chlorine from the following data: Delta_(fus)H = 6.40 kJ mol^(-1) , melting point =- 100^(@)C Delta_(vap)H = 20.4 kJ mol^(-1) , boiling point =- 30^(@)C

A2Z-CHEMICAL THERMODYNAMICS-AIIMS Questions
  1. The occurrence of a reaction of impossible if

    Text Solution

    |

  2. Which of the followingis true for the reaction

    Text Solution

    |

  3. Following data is known about melting of a compound AB.DeltaH=9.2kJmo...

    Text Solution

    |

  4. One mole of an ideal gas is allowed to expand reversible and adiabatic...

    Text Solution

    |

  5. Equal volumes of monoatomic and diatomic gases a same initial temperat...

    Text Solution

    |

  6. Which of the following has DeltaS^(@) greater than zero

    Text Solution

    |

  7. Which of the following neutralisation reasons,the heat of neutralisati...

    Text Solution

    |

  8. The heat of neutralisationof a strong acid and a strong alkali is 57....

    Text Solution

    |

  9. If enthalpies of formation of C(2)H(4)(g)1 andH(2)O(l) at25(@)C and1at...

    Text Solution

    |

  10. Combustion fo glucose takes place according to the equation,C(6)H(12)O...

    Text Solution

    |

  11. Ozone is prepared by passing silent electric discharge through oxygen....

    Text Solution

    |

  12. When 4g of iron is burnt to ferric oxide at constant pressure, 29.28KJ...

    Text Solution

    |

  13. Enthalpy of neutralisation of acetic acid by NaOH is -50.6KJ//mol and ...

    Text Solution

    |

  14. The enthalpy of combustion of C(6)H(6)(l) is -3250KJ . When 039g of be...

    Text Solution

    |

  15. One gram sample of NH(4)NO(3) is decomposed in a bomb calorimeter. The...

    Text Solution

    |

  16. How much energy is released when 6 mole of octane is burnt in air ? Gi...

    Text Solution

    |

  17. In an isobaric process, the ratio of heat supplied to the system (dQ) ...

    Text Solution

    |

  18. Sulphur (2.56g) is burend in a constant volume calorimeter with excess...

    Text Solution

    |

  19. One monoatomic gas is expanded adibatically from 2L to 10L at atm exte...

    Text Solution

    |

  20. Which are extensive properties?

    Text Solution

    |