Home
Class 12
CHEMISTRY
Adsorption is spontaneous because...

Adsorption is spontaneous because

A

enthalpy of the system increase.

B

enthropy increases.

C

entropy decreases

D

free energy change increase.

Text Solution

Verified by Experts

The correct Answer is:
C

In adsorption there is bond formation between the gases and solid surface which decrease the entropy.
Promotional Banner

Topper's Solved these Questions

  • THERMODYNAMICS

    RESONANCE ENGLISH|Exercise exercise-3 part-1 Advanced level Solutions|30 Videos
  • THERMODYNAMICS

    RESONANCE ENGLISH|Exercise exercise-3 part-2 Advanced level Solutions|27 Videos
  • THERMODYNAMICS

    RESONANCE ENGLISH|Exercise exercise-2 Part:(IV): comprehension|8 Videos
  • TEST SERIES

    RESONANCE ENGLISH|Exercise CHEMISTRY|50 Videos

Similar Questions

Explore conceptually related problems

Adsorption, if spontaneous, is exothermic. Explain.

Fill in the blanks by putting appropriate choices. During adsorption there is _______ in enthalpy and _______ in the entropy of a system by adsorption is a spontaneous process and thus DeltaG must be ________. Rate of physisorption ________ with increase in pressure.

Assertion : During adsorption, DeltaG, DeltaH and DeltaS decrease i.e., their values become negative. Reason : Adsorption is a spontaneous process. Randomness or disorder decreases during adsorption.

Adsorption is accompanied by

The adsorption of vapours on a clean surface is a spontaneous process because

Cell reactiomn is spontaneous when

Cell reactiomn is spontaneous when

Adsorption depends upon

Adsorption is accompanied by:

If the cell reaction is spontaneous then:

RESONANCE ENGLISH-THERMODYNAMICS-exercise-3 Part:(I)
  1. DeltaH=30kJmol^(-1), DeltaS=75J//K//mol. "find boiling temperature a...

    Text Solution

    |

  2. Adsorption is spontaneous because

    Text Solution

    |

  3. For the reaction: N(2)O(4)(g) hArr 2NO(2)(g) (i)" "In a mixtur...

    Text Solution

    |

  4. The thermodynamic property that measures the extent of molecular disor...

    Text Solution

    |

  5. N(2) + 3H(2) hArr 2NH(3)" "K=4xx 10^(6)"at"298 " ...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  8. Statement -1: For every chmical reaction at equilibrium , standard Gid...

    Text Solution

    |

  9. Assertion (A) : There is a natural asymmetry between converting work t...

    Text Solution

    |

  10. Match the transformation in colums I with appropriate options in colum...

    Text Solution

    |

  11. For an ideal gas, consider only P-V work in going from an initial stat...

    Text Solution

    |

  12. For the process H(2)O(l)toH(2)O(g) at t=100^(@)C and 1 atmosphere pres...

    Text Solution

    |

  13. Match the thermodynamic processes given under column I with the expres...

    Text Solution

    |

  14. For a spontaneous reaction, DeltaG, equilibrium constant K and E("cell...

    Text Solution

    |

  15. Identify the correct statement regarding a spontaneous process:

    Text Solution

    |

  16. In conversion of limestone to lime , CaCO3(s) rarrCaO(s)+CO2(g) the va...

    Text Solution

    |

  17. Standard entropies of X(2), Y(2) and XY(3) are 60, 40 and 50 JK^(–1) m...

    Text Solution

    |

  18. In a fuel cell methanol is used as fuel and oxygen gas is used as an o...

    Text Solution

    |

  19. For a particular reversible reaction at temperature T, DeltaH and Delt...

    Text Solution

    |

  20. The entropy change involved in the isothermal reversible expansion of ...

    Text Solution

    |