Home
Class 11
CHEMISTRY
Predict which of the following reaction ...

Predict which of the following reaction `(s)` has a positive entropy change?
`I` . `Ag^(+)(aq)+Cl^(-)(aq)rarrAgCl(s)`
`II` . `NH_(4)Cl(s)rarrNH_(3)(g)+HCl(g)`
`III` . `2NH_(3)(g)rarrN_(2)+3H_(2)(g)`

A

I and II

B

III

C

II and III

D

II

Text Solution

Verified by Experts

The correct Answer is:
B
NA
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL THERMODYNAMICS

    A2Z|Exercise Heat Capacity And Calorimetry|13 Videos

  • CHEMICAL THERMODYNAMICS

    A2Z|Exercise Section B - Assertion Reasoning|17 Videos

  • CHEMICAL THERMODYNAMICS

    A2Z|Exercise Work, Internal Energy And Enthalpy|76 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

Predict which of the following reaction(s) has a positive entropy change? I" " Ag^(+) (aq) + CI^(-) (aq) rarr AgCI (s) I" "NH_(4)CI (s) rarr NH_(3)(g) + HCI (g) III" " 2NH_(3)(g) rarr N_(2)(g)+ 3H_(2)(g) IV " "2NH_(3) rarr N_(2)(g) + 3H_(2)(g)

Predict which of the following reaction(s) has a negative entropy change? I. CH_(4)(g) +2O_(2)(g)rarrCO_(2)(g)+2H_(2)O(l) II. NH_(3)(g)+HCl(g)rarrNH_(4)Cl(s) III. 2KClO_(4)(s) rarr2KClO_(3)(s)+O_(2)(g)

Determine which of the following reactions taking place at constant pressure represents system that do work on the surrounding environment Ag^(+)(aq)+Cl^(-)(aq)rarrAgCl(s)" " (II) NH_(4)Cl(s)rarrNH_(3)(g)+HCl(g) " " (III) 2NH_(3)(g)rarrN_(2)(g)+3H_(2)(g)

Predict which of the following reactions have positive entropy changes. (a) NH_(3(g))+HCl_((g))rarrNH_(4)Cl_((s)) (b) Cu_((aq))^(+2)+S_((aq))^(-2)rarrCuS_((s)) (c ) NH_(2)COONH_(4(s))rarr2NH_(3(g))+CO_(2(g)) (d) Condensation of water

Determine which of the following reaction at constant pressure represent systems that do work on the surrounding environment (I) CaO (s) + CO_(2) (g) rarr CaCO_(3) (s) (II) NH_(4)Cl (s) rarr NH_(3) (g) + HCl (g) (III) 2NH_(3) (g) rarr N_(2) (g) + 3H_(2) (g)

Write the following redox reactions using half cell rections (i) Zn(s)+FeCI_(2)(aq)rarrZnCI_(2)(aq)+Fe(s) (ii)Mg(s)+CI_(2)(g)rarrMgCI_(2)(s) (iii)Mg(s)+2H^(+)(aq)rarrMg^(2+)(aq)+H_(2)(g)

A2Z-CHEMICAL THERMODYNAMICS-Entropy, Gibb'S Energy And Spontaneity Of Process
  1. In an irreversible process taking place at constant P and T in which o...

    Text Solution

    |

  2. The correct relationship between free energy change in a reaction and ...

    Text Solution

    |

  3. Predict which of the following reaction (s) has a positive entropy cha...

    Text Solution

    |

  4. Maxing of non-reacting gases is generally accompanied by

    Text Solution

    |

  5. A particular state of system is arrived at starting from a given state...

    Text Solution

    |

  6. For a spontaneous reaction, DeltaG, equilibrium constant (K) and E(cel...

    Text Solution

    |

  7. For the water gas reaction C(s) + H(2)O(g) hArr CO(g) + H(2)(g) At 1...

    Text Solution

    |

  8. At 500K , for an isobaric pracess. DeltaS(system)=-10(KJ)/(molK) and...

    Text Solution

    |

  9. Identify the correct statement regarding a spontaneous process:

    Text Solution

    |

  10. Standard entropt of X(2) , Y(2) and XY(3) are 60, 40 and 50JK^(-1)mol...

    Text Solution

    |

  11. If liquids A and B from an ideal solution,

    Text Solution

    |

  12. Which reaction, with the following value of DeltaH and DeltaS at 350K ...

    Text Solution

    |

  13. The incorrect expression among the following is

    Text Solution

    |

  14. Which of the following reactions is associated with the most negative ...

    Text Solution

    |

  15. For the reaction in the plant cells 6CO(2)(g)+12H(2)O(l)rarrC(6)H(12...

    Text Solution

    |

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

    Text Solution

    |

  17. In view of the signs of Delta(r)G^(0) for the following reactions Pb...

    Text Solution

    |

  18. Two moles of an ideal gas is expanded irreversibly and isothermally at...

    Text Solution

    |

  19. A spontaneous change is one in which a system under goes

    Text Solution

    |

  20. C(2)H(6)(g)+3.5)(2)(g)rarr2CO(2)(g)+3H(2)O(g) DeltaS(vap)(H(2)O,l)=x...

    Text Solution

    |