Home
Class 12
CHEMISTRY
At a constant temperature, which of the ...

At a constant temperature, which of the following aqueous solutions will have the maximum vapour pressure?
(Mol wt `NaCl = 58.5, H_(2)SO_(4) = 98.0 g mol^(-1)`)

A

1 molal NaCl (aq)

B

1 molar NaCl (aq)

C

1 molal `H_(2)SO_(4)` (aq)

D

1 molar `H_(2)SO_(4)` (aq)

Text Solution

Verified by Experts

1 molal has less amount of NaCl per liter as compared to 1 M NaCl(aq).
Promotional Banner

Topper's Solved these Questions

  • THEORY OF SOLUTIONS

    VMC MODULES ENGLISH|Exercise LEVEL 2|65 Videos

  • THEORY OF SOLUTIONS

    VMC MODULES ENGLISH|Exercise JEE Main (Archive)|57 Videos

  • THEORY OF SOLUTIONS

    VMC MODULES ENGLISH|Exercise JEE Advanced (Archive)|31 Videos

  • THE SOLID STATE

    VMC MODULES ENGLISH|Exercise EXERCISE-J|10 Videos

  • THERMOCHEMISTRY

    VMC MODULES ENGLISH|Exercise JEE ADVANCED (ARCHIVE)|31 Videos

Similar Questions

Explore conceptually related problems

The molarity of 98% by wt. H_(2)SO_(4) (d = 1.8 g/ml) is

The lowering of vapour pressure of 0.1 M aqueous solution NaCl, CuSO_(4) and K_(2)SO_(4) are :

Find the temperature at which 5 moles of SO_2 will occupy a volume of 10 litre at a pressure of 15 atm. a=6.71 atm litre^2mol^(−2) ;b=0.0564 litre mol^(−1) .

Find the temperature at which 4 moles of SO_2 will occupy a volume of 10 litre at a pressure of 15 atm. a=6.71 atm litre^2mol^(−2) ;b=0.0564 litre mol^(−1) .

Calculate the pH of the following solutions Solution of H_2SO_4 containing 0.98 g of H_2SO_4 per litre.

An aqueous solution of H_(2)SO_(4) has density 1.84" g"//"ml" . Solution contains 98% H_(2)SO_(4) by mass.Calculate (i) Molarity of solution (ii) Molar volume of solution (iii) Relative lowering of vapour pressure w.r.t. water, assuming H_(2)SO_(4) as non-electrolyte at this high concentration.

At 27^(@)C .the vapour pressure of an ideal solution containing 1 mole of A and 1 mole and B is 500 mm of Hg . At the same temperature, if 2 mol of B is added to this solution the vapour pressure of solution increases by 50 mm of Hg . The vapour pressure of A and B in their pure states is respectively.

The standard enthalpy of formation of gaseous H_(2)O at 298 K is -241.82 kJ/mol. Calculate DeltaH^(@) at 373 K given the following values of the molar heat capacities at constant pressure : H_(2)O(g)=33.58 " JK"^(-1)" mol"^(-1), " "H_(2)(g)=29.84 " JK"^(-1)" mol"^(-1), " "O_(2)(g)=29.37 " JK"^(-1)" mol"^(-1) Assume that the heat capacities are independent of temperature :

The freezing point of an aqueous solution of non-electrolyte having an osmotic pressure of 2.0 atm at 300 K will be, (K_(f) "for " H_(2)O = 1.86K mol^(-1)g) and R = 0.0821 litre atm K^(-1) mol^(-1) . Assume molarity and molarity to be same :

Calculate the equilibrium constant for the following reaction at 298 K and 1 atm pressure.C(graphite)+H2O(l)=CO(g)+H2(g) Given : 'Delta_f H^@ , [H_2O (l)] = -286.0 kJ mol^(-1) , Delta_f H^@ [ CO (g)] = - 110.5 kJ mol^(-1) , DeltaS^@ at 298 K for the reaction =252.6 J k^(-1) mol^(-1) . Gas constant R = 8.31 Jk^(-1) mol^(-1) .

VMC MODULES ENGLISH-THEORY OF SOLUTIONS-LEVEL 1
  1. Choose the correct statement: When concentration of a salt solution ...

    Text Solution

    |

  2. Which of the following would exert maximum osmotic pressure?

    Text Solution

    |

  3. At a constant temperature, which of the following aqueous solutions wi...

    Text Solution

    |

  4. If 0.1 M solutions of the following electrolytes are taken and if all ...

    Text Solution

    |

  5. An 1% solution of KCI(I),NaCI(II), BaCI(2)(III) and urea (IV), have th...

    Text Solution

    |

  6. The vapour pressure of water at 25^(@)C is 18 mmHg. If 18 g of gluco...

    Text Solution

    |

  7. When 25 g of a non-volatile solute is dissolved in 100 g of water, the...

    Text Solution

    |

  8. On adding 1g arsenic to 80 g benzene, the freezing point of benzene is...

    Text Solution

    |

  9. The freezing point of water is depressed by 0.37^(@)C in a 0.01 molar ...

    Text Solution

    |

  10. Blood cells do not shrink in blood because blood is :

    Text Solution

    |

  11. Solution A, B, C and D are respectively 0.1 M glucose, 0.05 M NaCl, 0....

    Text Solution

    |

  12. Which of the following solution will have highest boiling point ?

    Text Solution

    |

  13. Maximum lowering of vapour pressure is observed in the case of :

    Text Solution

    |

  14. Consider the following aqueous solutions and assume 100% ionisation in...

    Text Solution

    |

  15. If P(A) is the vapour pressure of a pure liquid A and the mole fractio...

    Text Solution

    |

  16. At temperature 327^(@)C and concentration C, the osmotic pressure of ...

    Text Solution

    |

  17. A solution of sucrose (Molar mass = 342 g/mol) is prepared by dissolvi...

    Text Solution

    |

  18. If the elevation in boiling point of a solution of 10 g of solute (mol...

    Text Solution

    |

  19. Which of the following graphs represent the behaviour of an ideal gas ...

    Text Solution

    |

  20. If the vapour pressure of pure A and pure B at 298 K are 60 and 15 tor...

    Text Solution

    |