Home
Class 12
CHEMISTRY
Delta S for the reaction , MgCO(3)(s)r...

`Delta S` for the reaction ,
`MgCO_(3)(s)rarr MgO(s)+CO_(2)(g)` will be :

A

Zero

B

`-ve`

C

`+ve`

D

`infty`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • THERMODYNAMICS

    AAKASH INSTITUTE|Exercise ASSIGNMENT (Section - B) Objective Type Questions|35 Videos

  • THERMODYNAMICS

    AAKASH INSTITUTE|Exercise ASSIGNMENT (Section - C) Previous Years Questions|60 Videos

  • THERMODYNAMICS

    AAKASH INSTITUTE|Exercise Exercise|50 Videos

  • THE SOLID STATE

    AAKASH INSTITUTE|Exercise Assignment (SECTION - D) (ASSERTION-REASON TYPE QUESTION)|20 Videos

Similar Questions

Explore conceptually related problems

For the reaction : CaCO_(3) (s) hArr CaO (s) + CO_(2) (g)

Given (i) 2Fe_(2)O_(3)(s) rarr 4Fe(s)+3O_(2)(g) , DeltaG^(@)=+1487.0 kj mol^(-1) (ii) 2CI(g)+O_(2) rarr 2CO_(2)(g) , Delta_(r )G^(@)=-514.4 kj mol^(-1) Free energy change Delta_(r)G^(@) for the reaction 2Fe_(2)O_(3)(s)+6CO(g) rarr 4Fe(s)+6cO_(2)(g) will be :

Value of K_(p) in the reaction MgCO_(3(s))hArr MgO_((s))+CO_(2(g)) is :

Predict the sign of DeltaS for the reaction : CaCO_(3)(s) overset(Delta) to CaO(s) + CO_(2)(g)

For the reaction, CaCO_(3)(s) rarr CaO(s)+CO_(2)(g) , which is the correct representation?

Given the enthalpy of formation of CO_(2)(g) is -94.0 KJ, of CaO(s) is -152 KJ, and the enthalpy of the reaction CaCO_(3)(s) rarr CaO(s)+CO_(2)(g) is 42KJ, the enthalpy of formation of CaCO_(3) (s) is

Equilibrium constant Kp for following reaction: MgCO_(3) (s) hArr MgO(s) + CO_(2) (g)

AAKASH INSTITUTE-THERMODYNAMICS-ASSIGNMENT (Section - A) Objective Type Questions
  1. The enthalpy of reaction, 2HC = CH + 5O(2) rightarrow 4CO(2) + 2H(2)O ...

    Text Solution

    |

  2. Calculate heat of formation of isoprene using bond energy data. 5C(s...

    Text Solution

    |

  3. In a flask, colourless N(2)O(4) is in equilibrium with brown-coloured ...

    Text Solution

    |

  4. For which of these reactions will there be Delta S positive?

    Text Solution

    |

  5. For stretched rubber, Entropy

    Text Solution

    |

  6. The most random state of H(2)O system is

    Text Solution

    |

  7. Delta S for the reaction , MgCO(3)(s)rarr MgO(s)+CO(2)(g) will be :

    Text Solution

    |

  8. The standard entroples of N(2)(g), H(2) (g) and NH(3) (g) are 191.5, 1...

    Text Solution

    |

  9. What is the increase in entropy when 11.2 L of O(2) are mixed with 11....

    Text Solution

    |

  10. Given S(C(2)H(6))^(@) = 225 J mol^(-1) K^(-1) , S(C(2)H(4)^(@) = 220...

    Text Solution

    |

  11. For the meltig of NaCI heat require is 7.26 kcal mol^(-1) and Delta S ...

    Text Solution

    |

  12. The DeltaS for the reaction 2H(2)(g) + O(2)(g) rightarrow 2H(2)O(I) ...

    Text Solution

    |

  13. Which of the following is correct ?

    Text Solution

    |

  14. Entropy of vaporisation of water at 100^(@)C, if molar heat of vaporis...

    Text Solution

    |

  15. A particular reaction at 27^(@)C for which DeltaH gt 0 and DeltaS gt 0...

    Text Solution

    |

  16. It is impossible for a reaction to take place if

    Text Solution

    |

  17. Ths standard free energy change Delta G^(@) is related to K (equilibri...

    Text Solution

    |

  18. The sole criterion for the spontaneity of a process is

    Text Solution

    |

  19. For an endothermic reaction to be spontaneous

    Text Solution

    |

  20. At 27^(@)C for reaction, C(6)H(6)(l)+(15)/(2)O(2)(g)to6CO(2)(g)+3H(2...

    Text Solution

    |