Home
Class 12
CHEMISTRY
Predict which of the following reactions...

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

A

`b` and `c`

B

`c` and `d`

C

`c`

D

`a`

Text Solution

Verified by Experts

The correct Answer is:
C

`N//A`
Promotional Banner

Topper's Solved these Questions

  • TEST PAPER

    ALLEN|Exercise Exercise (Chemstry)|29 Videos
  • TEST PAPER

    ALLEN|Exercise Exercise (Chemstry)|29 Videos
  • SURFACE CHEMISTRY

    ALLEN|Exercise ASSERTION & REASO|21 Videos
  • TEST PAPER 1

    ALLEN|Exercise CHEMISTRY|11 Videos

Similar Questions

Explore conceptually related problems

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)

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)

Predict the sign of DeltaS in the following processes. Give reasons for your answer. (a) N_(2(g))+3H_(2(g))rarr2NH_(3(g)) (b) CO_(2(g))rarrCO_(2(s))

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)

Classify each of the following reactions as combination, decomposition, displacement or double displacement reactions : NH_(3(g))+HCl_((g))toNH_(4)Cl_((s))

In the reaction: 2Al_((s))+6HCl_((aq.))rarr2Al_((aq.))^(3+)+6Cl_((aq.))^(-)+3H_(2(g))

Split the following redox reactions in the oxidation and reduction half reactions : (i) 2K(s)+Cl_2(g) rarr 2KCl(s) (ii) 2Al (s) + 3Cu^(2+) (aq) rarr 2Al^(3+)(aq) +3Cu(s)

In the following process/es Delta H lt Delta U (A) C(s) + O_(2)(g) rarr CO_(2)(g) (B) CO(g)+(1)/(2)O_(2)(g) rarr CO_(2)(g) (C) N_(2)(g)+3H_(2)(g) rarr 2NH_(3)(g) (D) CaCO_(3)(s) rarr CaO(s) + CO_(2)(g)

ALLEN-TEST PAPER-Exercise (chemistry)
  1. A metallic oxide contains 60% metal by mass.The vapour density of vola...

    Text Solution

    |

  2. One mole of an ideal and monoatomic gas is expanded reversibly and iso...

    Text Solution

    |

  3. Predict which of the following reactions have positive entropy changes...

    Text Solution

    |

  4. Which of the following relation is correct for the calculation of work...

    Text Solution

    |

  5. The enthalpies of neutralization to two weak acids HA and HB with NaOH...

    Text Solution

    |

  6. At 0^(@)C , ice and water are in equilibrium and DeltaS and DeltaG for...

    Text Solution

    |

  7. In the followin electronic configuration, ns^(2)(n-1)d^(0-1)(n-2)f^(...

    Text Solution

    |

  8. Which of the following electronic confirgration in the outermost shell...

    Text Solution

    |

  9. The radius of isoelectronic series :-

    Text Solution

    |

  10. In which of the following compounds cation and anion size ratio is min...

    Text Solution

    |

  11. Set of elements having one electron in their valence shell is :-

    Text Solution

    |

  12. A neutral atom (A) is converted to (A) by the following process Aove...

    Text Solution

    |

  13. Which of the following processes involves absorption of energy?

    Text Solution

    |

  14. The electron affinity of

    Text Solution

    |

  15. Select correct diagram about the acidic strength of oxides :-

    Text Solution

    |

  16. In which of the following pairs both the molecules are non existing?

    Text Solution

    |

  17. Substance which is not required in Solvay process :-

    Text Solution

    |

  18. Which of the following does not produce any gaseous product when react...

    Text Solution

    |

  19. CaCO(3)overset(Delta)rarrResidue+gas. Residue when dissolves in water,...

    Text Solution

    |

  20. Which of the following carbides librates methane gas by the action of ...

    Text Solution

    |