Home
Class 12
CHEMISTRY
What is the entropy that takes place in ...

What is the entropy that takes place in conversion of 1 mol of `alpha-`tin to 1 mol `beta -` tin at `17^(@)C`, 1 atm pressure if enthalpy of transition is 2.90 kJ `mol^(-1)` ?

A

`1.0 kJ mol^(-1)`

B

`7.32 JK^(-1) mol^(-1)`

C

`10JK^(-1)mol^(-1)`

D

`100JK mol^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
C
`DeltaS=(DeltaH_("transition"))/(T_("transition"))=5 xx 10^(-11)mol^(-1)`
`=(2.90 xx 1000J mol^(-1))/(290)=10JK^(-1)mol^(-1)`
Promotional Banner

Topper's Solved these Questions

  • IONIC EQUILIBRIUM

    DINESH PUBLICATION|Exercise UNIT TEST -2|30 Videos

  • IONIC EQUILIBRIUM

    DINESH PUBLICATION|Exercise BRAIN TEASERS -3|39 Videos

  • HYDROCARBONS

    DINESH PUBLICATION|Exercise All Questions|493 Videos

  • NO IDEA

    DINESH PUBLICATION|Exercise Unit Test -|1 Videos

Similar Questions

Explore conceptually related problems

The entropy change for the conversion of 1 mole of alpha-" tin" (at 13^(@)C, 1 atm) to 1 mole of beta-" tin "(13^(@)C, 1 atm) if the enthalpy of transition is 2.095 kJ mol^(-1)

Calculate w and DeltaU for the conversion of 1 mol of water at 100^(@)C to steam at 1 atm pressure.Heat of vaporisation of water at 100^(@)C is 40.670 kJ mol^(-1) .Assume ideal gas behaviour.

Calculate the entrpoy change for the following reversible process: alpha-Tin hArr beta-Tin at 1 mol at 1 atm 1 mol at 1 atm 300 K (Delta_(trans)H = 2090 J mol^(-1))

Calculate the enthalpy change for the following reversible process: alpha = T "in" hArr beta - T "in at" 13^(@)C 1 mol at atm 1 mol at 1 atm (Delta H_("trans") = 2288 J mol^(-1))

Calculate the boiling point of the liquid if its entropy of vaporization is 110 JK^(-1)" "mol^(-1) and the enthalpy of vaporization is 11JK^(-1)" "mol^(-1) and the enthalpy of vapporization is 40.85kJ" "mol^(-1) .

What is entropy change for the conversion of one gram of ice to water at 273 K and one atmospheric pressure? (DeltaH_("fusion")=6.025kJ" "mol^(-1))

Find the entropy change for vaporisation of water to steam at 100^@C in JK^(-1)mol^(-1) if heat of vaporisation is 40.8 kJ mol^(-1) .

What is the entropy change (in JK^(-1) mol^(-1)) when one mole of ice is converted into water at 0^(@)C ? (The enthalpy change for the conversion of ice to liquid water is 6.0 kJ mol^(-1) at 0^(@)C )

Calculate the entropy change for vaporization of 1mol of liquid water to stem at 100^(@)C , if Delta_(V)H = 40.8 kJ mol^(-1) .

DINESH PUBLICATION-IONIC EQUILIBRIUM -BRAIN TEASERS -4
  1. The molar specific heat of air at room temperature and 1 atm pressure ...

    Text Solution

    |

  2. The maximum effificiency of a heat engine operating between 125^(@)C a...

    Text Solution

    |

  3. What is the entropy that takes place in conversion of 1 mol of alpha-t...

    Text Solution

    |

  4. In a reversible process, Delta S(sys) + Delta S(surr) is

    Text Solution

    |

  5. For which of the following shall the ratio of K(p)//K(c) is unity at 3...

    Text Solution

    |

  6. If K(a) for formic acid is 2.0 xx 10^(-4) mol L^(-1) then K(h) for HCO...

    Text Solution

    |

  7. The solubility of AgCl in 0.2 M NaCl is [K(sp) AgCl =1.8 xx 10^(-10)]

    Text Solution

    |

  8. What is the pH of 10^(-3) M ammonia cyanide solution, if K(HCN)=7.2 xx...

    Text Solution

    |

  9. If the dissociation constants of two weak acids HA(1) and HA(2) are K(...

    Text Solution

    |

  10. The pK(a)of an acid having ionisation constant 1 xx 10^(-3) is

    Text Solution

    |

  11. In a mixture of weak acid and its salt, the ratio of concentration of ...

    Text Solution

    |

  12. If the solubility of lithium sodium hexafluorido aluminate, Li(3)Na(3)...

    Text Solution

    |

  13. What will be the hydrogen ion concentration of a solution obtained by ...

    Text Solution

    |

  14. The pH of 10^(-8) M NaOH will be

    Text Solution

    |

  15. The pH of a buffer solution of 0.1 M CH(3)COOH and 0.1 MCH(3)COONa is ...

    Text Solution

    |

  16. If the equilibrium concentration of the components in a reaction A+...

    Text Solution

    |

  17. Which of the following when added to 35 mL of the 1.0 M solution of KO...

    Text Solution

    |

  18. The concentration of acetic acid (K(a)=1.8 xx 10^(-5)) required to giv...

    Text Solution

    |

  19. If 20 cc. of HCl solution is exactly neutralised by 40 cc of 0.05 N Na...

    Text Solution

    |

  20. If, H(2)(g)+Cl(2)(g)rarr 2HCl(g) , Delta H^(@)=-44 Kcal 2Na(s)+2HCl...

    Text Solution

    |