Home
Class 11
CHEMISTRY
For the gas-phase decomposition, PCl(5...

For the gas-phase decomposition,
`PCl_(5)(g)LeftrightarrowPCl_(3)(g)+Cl_(2)(g)`

A

`DeltaH lt DeltaSlt0`

B

`DeltaH gt DeltaSgt0`

C

`DeltaH gt DeltaSlt0`

D

`DeltaH lt DeltaSgt0`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • SALT ANALYSIS

    GRB PUBLICATION|Exercise Subjective Type|69 Videos

Similar Questions

Explore conceptually related problems

For the gas phase reaction, PCl_(5)(g)rarrPCl_(3)(g)+CL_(2)(g) Which of the following conditions are correct?

For the reaction, PCl_(5)(g)to PCl_(3)(g)+Cl_(2)(g)

For the reaction : PCl_(5) (g) rarrPCl_(3) (g) +Cl_(2)(g) :

At a given temperature the equilibrium constant for the reaction PCl_(5) (g) Leftrightarrow PCl_(3)(g)+Cl_(2)(g) is 2.4 xx 10^(-3) . At the same temperature the equilibrium constant for the reaction PCl_(3) (g)+Cl_(2)(g) Leftrightarrow PCl_(5) (g)

For the gas phase reaction PCl_(5)rarrPCl_(3)(g)+Cl_(2)(g) which of the following conditions are correct?

16 mol of PCl_(5)(g) is placed in 4 dm^(-3) closed vessel. When the temperature is raised to 500 K, it decompses and at equilibrium, 1.2 mol of PCl_(5)(g) remains. What is K_(c) value for the decomposition of PCl_(5)(g) to PCl_(3)(g) and Cl_(2)(g) at 500K.

Phosphorous pentachloride when heated in a sealed tube at 700 K it undergoes decomposition as PCl_(5)(g) hArr PCl_(3)(g)+Cl_(2)(g), K_(p)=38 atm Vapour density of the mixture is 74.25 . Percentage dissociation of PCl_(5) may be given as

GRB PUBLICATION-THERMODYNAMICS-All Questions
  1. For isothermal expansion in case of an ideal gas :

    Text Solution

    |

  2. When reaction is at standard state at equilibrium, then

    Text Solution

    |

  3. For the gas-phase decomposition, PCl(5)(g)LeftrightarrowPCl(3)(g)+Cl...

    Text Solution

    |

  4. What is the free energy change (DeltaG) when 1.0 "mole" of water at 10...

    Text Solution

    |

  5. The enthalpy change for a given reaction at 298 K is -x cal mol^(-1). ...

    Text Solution

    |

  6. A reaction has DeltaH=-33kJ and DeltaS=-58J//K. This reaction would be...

    Text Solution

    |

  7. For a certain A(g)to B(g) at equillibrium . The parital pressure of B ...

    Text Solution

    |

  8. During winters, moisture condness in the form of dew and can be seen o...

    Text Solution

    |

  9. For the hypothetical reaction A(2)(g)+B(2)(g) to 2AB(g) DeltaG(r)^...

    Text Solution

    |

  10. Following reaction occurs at 25^(@)C 2NO(g,1xx10^(-5)atm)+Cl(2)(g,1x...

    Text Solution

    |

  11. Find DeltaG^(@)andDeltaH^(@) for the reaction CO(g)+(1)/(2)O(2)(g) t...

    Text Solution

    |

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

    Text Solution

    |

  13. The direct conversion of A to B is difficult, hence is carried out by ...

    Text Solution

    |

  14. The value of log(10)K for a reaction A hArr B is (Given: Delta(f)H(298...

    Text Solution

    |

  15. For the process H(2)O(l) (1 "bar", 373 K) rarr H(2)O(g) (1"bar", 373 K...

    Text Solution

    |

  16. Identify the correct statement regarding a spontaneous process :

    Text Solution

    |

  17. In conversation of lime-stone ti lime, CaCO(3)(s)toCaO(s)+CO(2)(g) 7th...

    Text Solution

    |

  18. Predict which of the following reactions(s) has a positive entropy cha...

    Text Solution

    |

  19. Select correct statements:

    Text Solution

    |

  20. In which of the following reactions do you except to have a decrease i...

    Text Solution

    |