Home
Class 11
CHEMISTRY
Number of phases present in the followin...

Number of phases present in the following thermodynamic systems are:
(a) `NH_(4) HS_((s)) hArr NH_(3(g)) + H_(2)S_((g))` (b) `CaCO_(3(s)) hArr CaO_((s)) + CO_(2(g))` (c ) `N_(2(g)) + 3H_(2(g)) hArr 2NH_(3(g))`

A

b, c, a

B

c, b, a

C

a, b, c

D

c, a, b

Text Solution

Verified by Experts

The correct Answer is:
A
`NH_(4)HS-1, NH_(3), H_(2)S-1`
`CaCO_(3) -1, CaO -1, CO_(2)-1`
`N_(2), H_(2), NH_(3)-1`
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL THERMODYNAMICS

    AAKASH SERIES|Exercise LECTURE SHEET (EXERCISE-I) (LEVEL - II (ADVANCED) STRAIGHT OBJECTIVE TYPE QUESTIONS)|5 Videos

  • CHEMICAL THERMODYNAMICS

    AAKASH SERIES|Exercise LECTURE SHEET (EXERCISE-I) (LEVEL - II (ADVANCED) MORE THAN ONE CORRECT ANSWER TYPE QUESTIONS)|12 Videos

  • CHEMICAL THERMODYANMICS

    AAKASH SERIES|Exercise Questions For Descriptive Answers|28 Videos

  • ELECTRON MIGRATION EFFECTS

    AAKASH SERIES|Exercise QUESTIONS FOR DESCRIPTIVE ANSWERS|10 Videos

Similar Questions

Explore conceptually related problems

Unit of K_p for NH_4COONH_(2(s)) harr 2NH_(3(g))+ CO_(2(g)) is

In how many of the following entropy increases? {:((a) N_(2(g)) + 3H_(2(g)) rarr 2NH_(3(g)),(b)PCl_(5(g)) rarr PCl_(3(g)) + Cl_(2(g))),((c ) H_(2)O_((s)) rarr H_(2)O_((g)),(d)H_(2)O_((l)) rarr H_(2)O_((g))),((e ) 2NaHCO_(3(s)) rarr Na_(2)CO_(3(s)) + H_(2)O_((g)) + CO_(2(g)),(f ) NH_(2)CO_(2)NH_(4(s)) rarr 2NH_(3(g)) + CO_(2(g))),((g) H_(2)O_((l)) rarr H_(2)O_((s)),(h) CO_(2(s)) rarr CO_(2(g))):}

For the following three reactions a, b and c equilibrium constant are given a) CO_((g))+H_2O_((g)) harr CO_(2(g))+H_(2(g)) , K_1 b) CH_(4(g))+H_2O_((g)) harr CO_((g))+3H_(2(g)) , K_2 c) CH_(4(g))+2H_2O_((g)) harr CO_(2(g))+4H_(2(g)) , K_3 Which of the following relations is correct?

Write expression for the equilibrium constant, K_(c) , for each of the following reactions: (i) 2NOCl_((g))harr2NO_((g))+Cl_(2(g)) (ii) 2Cu(NO_(3))_(2(s))hArr 2CuO_((s))+4NO_(2(g))+O_(2(g)) (iii) CH_(3)COOC_(2)H_(5(ag))+H_(2)O(I)hArr CH_(3)COOH_((aq))+C_(2)H_(5)OH_((aq)) (iv) Fe_((aq))^(+3)+3OH_((aq))^(-)hArrFe(OH)_(3(S)^(+))

The units of cquilibrium constant Kc for the following system H_(2(g)) + l_(2(g)) hArr 2HI_((g)) is

In the equilibrium NH_(4) HS_(s) hArr NH_(3(g)) + H_(2) S_((g)) . the forward reaction can be favoured by

In what manner will increase of pressure affect the following equation ? C_((s)) + H_(2)O_((g)) hArr CO_((g)) + H_(2(g))

Suggest a scheme of classification of the following redox reactions (a) N_(2) (g) + O_(2) (g) rarr 2 NO (g) (b) 2 Pb (NO_(3))_(2) (s) rarr 2 PbO (s) + 4 NO_(2) (g) + O_(2) (g) (c) NaH(s) + H_(2) O (l) rarr NaOH (aq) + H_(2) (g) (d) 2NO_(2) (g) + 2OH^(-) (aq) rarr NO_(2)^(-) (aq) + NO_(3)^(-) (aq) + H_(2) O (l)

AAKASH SERIES-CHEMICAL THERMODYNAMICS-PRACTICE EXERCISE
  1. Number of phases present in the following thermodynamic systems are: ...

    Text Solution

    |

  2. A system has internal energy equal to E1, 450 J of heat is taken out o...

    Text Solution

    |

  3. A gas absorbs 400 J of heat and expands by 2 xx 10^(-3)m^(3) against a...

    Text Solution

    |

  4. A gas can expand from 100 ml to 250 ml under a constant pressure of 2 ...

    Text Solution

    |

  5. If the internal energy of 22g CO2 at 273K is .U", internal energy of w...

    Text Solution

    |

  6. CH(4(g)) + 2O(2(g)) rarr CO(2(g)) + 2H2O((l)) DeltaH = -200 K.cal, n...

    Text Solution

    |

  7. A system is provided with 50 J of heat and the work done on the system...

    Text Solution

    |

  8. S((8)) + 8O(2) rarr 8SO(2), DeltaH = -QKJ, then DeltaE

    Text Solution

    |

  9. H2 + Cl2 rarr 2HCl + 44 K.Cal. Heat of formation of HCl is

    Text Solution

    |

  10. Wg of benzoic acid is completely burnt in bomb calorimeter in excess o...

    Text Solution

    |

  11. Heat of combustion of carbon is -96 k, cals. When some quantity of car...

    Text Solution

    |

  12. One mole of methanol, when burnt in oxygen, gives out 723 KJ mol^(-1) ...

    Text Solution

    |

  13. The heat of combustion of benzene at 27^@C and at constant volume is -...

    Text Solution

    |

  14. Heat of neutralisation of H2SO4 with NaOH is - x KJ. Then the heat of ...

    Text Solution

    |

  15. For the reaction at 298 K, 2A+BtoC DeltaH=400 kJ mol^(-1) and Delt...

    Text Solution

    |

  16. The heat of neutralisation of strong base and strong acid is - 57.0 KJ...

    Text Solution

    |

  17. When IM H2SO3 is completely neutralised by sodium hydroxide, the heat ...

    Text Solution

    |

  18. The amount of heat released, when 20 ml of 0.5 M NaOH is mixed with 10...

    Text Solution

    |

  19. -100 cm^3 of 0.1 M HCl and 100 cm^2 of 0.1.M NaOH solutions are mixed ...

    Text Solution

    |

  20. For the reaction H^(+) + OH^(-) + H2O, DeltaH = -13.7 K. cal For H...

    Text Solution

    |

  21. BOH((aq)) + H((aq))^(+) rarr B((aq))^(+) + H2O, DeltaH = -48 KJ.Heat o...

    Text Solution

    |