Home
Class 12
CHEMISTRY
Statement-1 : 0.20 M solution of NaCN is...

Statement-1 : 0.20 M solution of NaCN is more basic than 0.20 M solution of NaF.
Statement-2 :0.20 M solution of NaCN is more basic than 0.20 M solution of `CH_3COONa`

A

Statement-1 is True, Statement-2 is True, Statement-2 is a correct explanation for Statement-1

B

Statement-1 is True, Statement-2 is True, Statement-2 is NOT a correct explanation for Statement-1

C

Statement-1 is True, Statement-2 is False.

D

Statement-1 is False, Statement-2 is True.

Text Solution

Verified by Experts

The correct Answer is:
B
`CN^(-)` is more basic than `F^(-)` `K_a(HCN)ltK_a(HF)`
`CN^(-)` is more basic than `CH_3COO^(-)` `K_a(HCN)ltK_a(CH_3COOH)`
Promotional Banner

Topper's Solved these Questions

  • QUALITATIVE ANALYSIS PART 1

    RESONANCE|Exercise A.L.P|39 Videos

  • SOLID STATE

    RESONANCE|Exercise PHYSICAL CHEMITRY (SOLID STATE)|45 Videos

Similar Questions

Explore conceptually related problems

Assertion : 0.20 M solution of NaCN is more than basic than 0.20 M solution of NaF . Reason : K_(a) of HCN is very much less than that of HF .

The volume of water is required to make 0.20 M solution from 1 mL of 0.5 M solution is :

Assertion (A): Vapour pressure of 0.5 M sugar solution is more than 0.5 M KCl solution.

Statement-I: 0.1M solution of NaCI has greater osmotic pressure than 0.1M solution of glucose at same temperature. Because Statement-II: In solution, NaCI dissociates to produce more number of particles.

Elevation in boiling point of 0.1 m CaCl_(2) , solution less / more than 0.1 m NaCl solution.

Assertion (A): 0.1 M solution of NaCl has greater osmotic pressure than 0.1 M solution of glucose at same temperature. Reason (R ): In solution, NaCl dissociates to produce more number of particles.

The freezing of aqueous 0.1 M Na_(2)CO_(3) , solution is less / more than 0.2 M NaOH solution.

Assertion (A): 0.1 M solution of KCl has great osmotic pressure than 0.1 M solution of glucose at same temperature. Reason (R): In solution KCl dissociates to produce more number of particles.

RESONANCE-RANK BOOSTER-All Questions
  1. Select the correct statements:

    Text Solution

    |

  2. Buffer soution'A' of a weak monoprotic acid and it's sodium salt in co...

    Text Solution

    |

  3. Statement-1 : 0.20 M solution of NaCN is more basic than 0.20 M soluti...

    Text Solution

    |

  4. Assertion : A substance that can either act as an acid a base is calle...

    Text Solution

    |

  5. Consider a solution of CH3COONH4 which is a salt weak acid and weak ba...

    Text Solution

    |

  6. Consider a solution of CH3COONH4 which is a salt weak acid and weak ba...

    Text Solution

    |

  7. Consider a solution of CH3COONH4 which is a salt weak acid and weak ba...

    Text Solution

    |

  8. [H^(+)] concentration in 0.01 M H2O2 solution (K(a(1))=3xx10^(-12) and...

    Text Solution

    |

  9. Calculate the hydrogen ion concentration ("in mol"//dm^3) in a solutio...

    Text Solution

    |

  10. The vapour pressure of the solution of two liquids A(P^@=80mm)and B(P^...

    Text Solution

    |

  11. Osomotic pressure [in atm] of a 0.1 M solution of K4[Fe(CN)6], which u...

    Text Solution

    |

  12. Which of the following has been arranged in order of decreasing freezi...

    Text Solution

    |

  13. A solution of x moles of sucrose in 100grams of water freeze at -0.2^(...

    Text Solution

    |

  14. Available solutions are 1L of 0.1 M NaCl and 2L of 0.2 M CaCl2.Using o...

    Text Solution

    |

  15. Consider equimolal aqueous solutions of NaHSO(4) and NaCl with DeltaT(...

    Text Solution

    |

  16. A solute S undergoes a reversible trimerization when dissolved in a ce...

    Text Solution

    |

  17. For a solution of 0.89 g of mercurous chloride in 50 g of HgCl(2)(l) ...

    Text Solution

    |

  18. Which of following statements are incorrect about Henry's law ?

    Text Solution

    |

  19. In which of the following pairs of solutions will the values of the va...

    Text Solution

    |

  20. Statement-1 : Perfectly ideal solution is not possible with respect to...

    Text Solution

    |