Home
Class 12
PHYSICS
Calculate depression of freezing point f...

Calculate depression of freezing point for 0.56 molal aq. Solution of KCl.
(Given : `K_f(H_(2)O) = 1.8 kg mol^(-1)`).

A

2

B

3

C

4

D

5

Text Solution

Verified by Experts

The correct Answer is:
A

`DeltaT_(f) ="I" k_(f)m`
= `2 xx 1.8 xx 0.56`
= `2.0`
Promotional Banner

Topper's Solved these Questions

  • MOCK TEST 1

    CAREER POINT|Exercise PART (B) - CHEMISTRY|29 Videos
  • MAJOR TEST

    CAREER POINT|Exercise PHYSICS|30 Videos
  • MOCK TEST 10

    CAREER POINT|Exercise PART (B) - CHEMISTRY|30 Videos

Similar Questions

Explore conceptually related problems

Calculate elevation in boiling point for 2 molal aqueous solution of glucose. (Given K_b(H_(2)O) = 0.5 kg mol^(-1) )

Calculate elevation in boiling point for 2 molal aqueous solution of glucose (Given: K_(b(H_2O) =0.5K kg mol^(-1)))

Equal volume of 1.0 M KCl and 1.0 M AgNO_(3) are mixed . The depression of freezing point of the resulting solution will be : ( K_(f) (H_(2)O) = 1.86K kg mol^(-1) , Assume : 1M = 1m)

KBr is 80% ionized in solution. The freezing point of 0.4 molal solution of KBr is : K_f (H_2O) = 1.86 (K kg)/("mole")

45 g of ethylene glycol C_(2)H_(6)O_(2) is mixed with 600 g of water. Calculate (a) the freezing point depression and (b) the freezing point of solution. Given K_(f)=1.86 K kg mol^(-1) .

The freezing point of a 0.05 molal solution of a non-electrolyte in water is: ( K_(f) = 1.86 "molality"^(-1) )

It is found that elevation in boiling point of a given aq. NaCl solution is equal to depression in freezing point of 0.25 molal aq. Na_(2)CO_(3) solution. If K_(f)=1.86^(@) "mol"^(-1) kg , calculate molality of NaCl solution, assume complete ionisation of NaCl and Na_(2)CO_(3) in aqueous solution.

CAREER POINT-MOCK TEST 1-PART (B) - CHEMISTRY
  1. I(2)(s)|I^(-)(0.1M) half cell is connected to a H^(+) (aq)|H(2)(1 bar)...

    Text Solution

    |

  2. Which of the following statement is/are correct ? I . The ligand th...

    Text Solution

    |

  3. A six coordination complex of formula CrCl(3)*6H(2)O has green colour....

    Text Solution

    |

  4. Which one of the following ions exhibit highest magnetic moment ?

    Text Solution

    |

  5. Which of the following gaseous molecule is non-linear ?

    Text Solution

    |

  6. Select incorrect order

    Text Solution

    |

  7. In psi(321), the sum of angular momentum, spherical nodes and angular ...

    Text Solution

    |

  8. A solid is formed and it has three types of atoms X, Y and Z, X forms ...

    Text Solution

    |

  9. The heat of formation of NH(3)(g) is -46 " kJ mol"^(-1). The DeltaH (i...

    Text Solution

    |

  10. NH(4)HS(s)hArrNH(3)(g)+H(2)S(g) The3 equilibrium pressure at 25^(@)C ...

    Text Solution

    |

  11. Calculate depression of freezing point for 0.56 molal aq. Solution of ...

    Text Solution

    |

  12. A graph plotted between log t(50%) vs log concentration is a straight ...

    Text Solution

    |

  13. Identify Bronsted -Lowry acids in the reactions given . [Al(H(2)O)(6...

    Text Solution

    |

  14. 2.4 g of pure Mg (at. Mass = 24) is dropped in 100 mL of 1 M HCl . Whi...

    Text Solution

    |

  15. Among the following which Statement is incorrect ?

    Text Solution

    |

  16. Identify 'Z' in the given sequence of reaction .

    Text Solution

    |

  17. (X)overset(KOH+CHCl(3))rarr(Y)overset(LiAlH(4))rarrCH(3)CH(2)NHCH(3) ...

    Text Solution

    |

  18. The IUPAC name of is -

    Text Solution

    |

  19. , (A) and (B) are -

    Text Solution

    |

  20. Arrang the anions (p) overset(-)CH(3),(q)overset(-)NH(2),(r)OH^(-), (s...

    Text Solution

    |