Home
Class 12
CHEMISTRY
For the given cell arrangement identify ...

For the given cell arrangement identify incorrect statement
given `E^@_(Cu^(2+)//Cu)` = 0.34V &` E^@_(Zn^(2+)//Zn) = -0.76V`

A

If `E_(ext) gt` 1.1 V , Zn dissolves at Zn
electrode and Cu deposits at Cu electrode

B

If `E_(ext) = 1.1 V` , no flow of `e^0` or current occurs

C

If `E_(ext) gt 1.1 V , e^(-)` flows from Cu to Zn

D

If `E_(ext) lt 1.1` V , Zn dissolves at anode and Cu deposits at cathode

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • JEE MAINS 2020

    JEE MAINS PREVIOUS YEAR|Exercise CHEMSITRY|25 Videos

  • JEE MAINS

    JEE MAINS PREVIOUS YEAR|Exercise QUESTION|1 Videos

  • JEE MAINS 2021

    JEE MAINS PREVIOUS YEAR|Exercise Chemistry (Section B )|10 Videos

Similar Questions

Explore conceptually related problems

The standard cell potential for the cell Zn|Zn^(2+) (1 M)|| Cu^(2+) (1 M)| Cu Given E_(Cu^(2+)//Cu)^(@) = 0.34 V and E_(Zn^(2+)//Zn)^(@) = - 0.76 V is

Why blue colour of CuSO_(4) solution gets discharged when zinc rod is dipped in it ? Given, E_(Cu^(+2)//Cu)^(@)=0.34 V and E_(Zn^(+2)//Zn)^(@)=-0.76V

For the cell : Zn|{:(Zn_(aq.)^(2+)),(1M):}||{:(Cu_(aq.)^(2+)),(2M):}|Cu Calculate the values for , (a) cell reaction, (b) E_(cell)^(@) (c) E_(cell) (d) the minimum concentration of Cu^(2+) at which cell reaction is spontaneous if Zn^(2+) is 1M , (e) does the displacement of Cu^(2+) goes almost to completion. Given : E_(RP_(Cu^(2)//Cu))^(@) = +0.35V E_(RP_(Zn^(2)//Zn))^(@) = -0.76V

E^(c-)._(red) of different half cell are given as : E^(c-)._(Cu^(2+)|Cu)=0.34V,E^(c-)._(Zn^(2+)|Zn)=-0.76V . E^(c-)._(Ag^(o+)|Ag)=0.80 V, E^(c-)._(Mg^(2+)|Mg)=-2.37V. In which cell DeltaG^(c-) is most negative ?

JEE MAINS PREVIOUS YEAR-JEE MAINS 2020-CHEMSITRY
  1. For the given cell arrangement identify incorrect statement given E^...

    Text Solution

    |

  2. The correct statement with respect to dinitrogen is :

    Text Solution

    |

  3. Consider the following reactions :

    Text Solution

    |

  4. The major product obtained from the following reaction is :

    Text Solution

    |

  5. A solution of two components containing n1 moles of 1^(st) component a...

    Text Solution

    |

  6. The INCORRECT statement is :

    Text Solution

    |

  7. Consider the Assertion and Reason given below. Assertion (A) : Ethe...

    Text Solution

    |

  8. Arrange the following solutions in the decreasing order of pOH : (A...

    Text Solution

    |

  9. Among the sulphates of alkaline earth metals the solubilities of BeSO4...

    Text Solution

    |

  10. The major products of the following reaction are : CH3 -overset(CH...

    Text Solution

    |

  11. The major product of the following reaction is :

    Text Solution

    |

  12. The presence of soluble fluoride ion upto 1 ppm concentration in drink...

    Text Solution

    |

  13. The increasing order of pKb values of the following compounds is :

    Text Solution

    |

  14. Which of the following compounds shows geometrical isomerism ?

    Text Solution

    |

  15. The set that contains atomic numbers of only transition elements , is ...

    Text Solution

    |

  16. The variation of equilibrium constant with temperature is given below ...

    Text Solution

    |

  17. Kraft temperature is the temperature :

    Text Solution

    |

  18. For the reaction Fe2N(s)+(3)/(2)H2(g)=2Fe(s)+NH3(g)

    Text Solution

    |

  19. The species that has a spin -only magnetic moment of 5.9 BM , is : (...

    Text Solution

    |

  20. The lanthanoid that does NOT show +4 oxidation stat is :

    Text Solution

    |

  21. Consider the following reaction A to P1, B to P2 , C to P3 , D to P4...

    Text Solution

    |