Home
Class 12
CHEMISTRY
H(2)(1 "atm")|2.26 M HCOOH||0.222MCH(3)C...

`H_(2)(1 "atm")|2.26 M HCOOH||0.222MCH_(3)COOH|(1 "atm")H_(2)K_(a)(HCOOH)=1.77xx10^(-4)K_(a)(CH_(3)COOH)=1.8xx10^(-5)`
Emf of the cell is (Neghlect the liquid liquid junction potential )

A

0.0591 V

B

`-0.05491 V`

C

0.02955 V

D

`-0.02955 V`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    AAKASH INSTITUTE|Exercise Assignment (SECTION C) Objective Type Questions (More than one option are correct)|15 Videos

  • ELECTROCHEMISTRY

    AAKASH INSTITUTE|Exercise Assignment (SECTION D) Linked Comprehension Type Questions|4 Videos

  • ELECTROCHEMISTRY

    AAKASH INSTITUTE|Exercise Assignment (SECTION A) Objective Type Questions (One option is correct)|43 Videos

  • COORDINATION COMPOUNDS

    AAKASH INSTITUTE|Exercise Assignment (Section-J Aakash Challenger Questions )|10 Videos

  • ENVIRONMENTAL CHEMISTRY

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION-D) (Assertion - Reason Type Questions)|5 Videos

Similar Questions

Explore conceptually related problems

% hydrolysis of 0.1M CH_(3)COONH_(4), when K_(a)(CH_(3)COOH)=K_(b)(NH_(4)OH)=1.8xx10^(-5) is:

Neglecting the liquid-liquid junction potential, calculate the emf of the following cell at 25^(@)C H_(2) (1 atm)|0.5 M HCOOH|| 1M CH_(3)COOH | (1 atm) H_(2) K_(a) " for " HCOOH and CH_(3) COOH are 1.77 xx 10^(-4) and 1.8 xx 10^(-5) respectively.

Calculate the pH of a solution containing 0.1 M CH_(3)COOH and 0.15 M CH_(3)COO^(-) . (K_(a) "of" CH_(3)COOH=1.8xx10^(-5))

0.1M CH_(3)COOH is diluted at 25^(@)C(K_(a)=1.8xx10^(-5)) , then which of the following will be correct ?

Calculate the extent of hydrolysis & the pH of 0.02 M CH_3COONH_4 . [K_(b) (NH_(3))=1.8 xx 10^(-5), K_(a) (CH_(3)COOH)=1.8 xx 10^(-5)]

The pH of a solution containing 0.1 M CH_3COONa and 0.1 M (C_2H_5COO)_2 Ba will be K_a(CH_3COOH)=2xx10^(-5). K_a(C_2H_5COOH)=1.5xx10^(-5) :

Calculate pH solution: 10^(-8)M CH_(3)COOH (K_(a)=1.8 xx 10^(-5))

AAKASH INSTITUTE-ELECTROCHEMISTRY -Assignment (SECTION B) Objective Type Questions (One option is correct)
  1. The equilibrium constant for the reaction Sr(s)+Mg^(+2)(aq)rarr Sr^(+2...

    Text Solution

    |

  2. 0.5 faraday of electricity was required to deposit all the copper in 5...

    Text Solution

    |

  3. Cu^(+) ion is not stable in aqueous solution because because of dispro...

    Text Solution

    |

  4. 25 gm of a metal is deposited on cathode during the electrolysis of me...

    Text Solution

    |

  5. A well stirred solution of 0.1 M CuSO(4) is electrolysed at 25^(@)C us...

    Text Solution

    |

  6. 50 ML of a buffer of 1 M NH(3) and 1 M NH(4)^(+) are placed in two vol...

    Text Solution

    |

  7. The specific conductance of saturated solution os silver chloride is k...

    Text Solution

    |

  8. The limiting equivalent conductivity of NaCl, KCl and KBr are 126.5,1...

    Text Solution

    |

  9. The equivalent conductances of CH(3)COONa, HCI "and" NaCI at infinit e...

    Text Solution

    |

  10. E^(@)(Na^(+)//Na)=-2.71V E^(@)(Mg^(+2)//Mg)=-2.37V E^(@)(Fe^(+2)//Fe...

    Text Solution

    |

  11. Which of following type of plot would you expect from the titratin of ...

    Text Solution

    |

  12. The standard reduction potential of Cu^(2+)//Cu and Cu^(2+)//Cu^(+) ar...

    Text Solution

    |

  13. What is DeltaG^(@) for the following reaction Cu^(+2)(aq)+2Ag(s)rarr...

    Text Solution

    |

  14. For the half cell At pH = 3 electrode potential is

    Text Solution

    |

  15. Rate of corrosion I maximum when

    Text Solution

    |

  16. H(2)(1 "atm")|2.26 M HCOOH||0.222MCH(3)COOH|(1 "atm")H(2)K(a)(HCOOH)=...

    Text Solution

    |

  17. Given that NiO(2)+4H^(+)+2e^(-)rarrNi^(2+)+2H(2)O,E^(@)=1.678V NiO...

    Text Solution

    |

  18. Zn amalgam is prepared by elctrtolysis of aqueous ZnCI(2) using 9 gram...

    Text Solution

    |

  19. Emf of cell given Ag(s),Ag(s)|KCI(aq)Hg(2)CI(2)(s)|Hg(s) s 0.05 V ...

    Text Solution

    |

  20. Dissociation constant for Ag(NH(3))(2)^(+) into Ag^(+) and NH(3) is 6 ...

    Text Solution

    |