Home
Class 12
CHEMISTRY
Four successive members of the first ser...

Four successive members of the first series of the transition metals are listed below. For which one of them the standard reduction potential `(E_(M^(2+)|M)^(0))` value has a positive sign -

A

Ni (Z = 28)

B

Cu (Z = 29)

C

Fe (Z = 26)

D

Co (Z = 27)

Text Solution

Verified by Experts

The correct Answer is:
B

`E_(Cu^(2+)//Cu)^(0)=+0.34V`
Promotional Banner

Topper's Solved these Questions

  • D - AND F - BLOCK ELEMENTS

    CHHAYA PUBLICATION|Exercise SOLVED NCERT EXEMPLAR PROBLEMS (Multiple Choice Question)|31 Videos
  • D - AND F - BLOCK ELEMENTS

    CHHAYA PUBLICATION|Exercise SOLVED NCERT EXEMPLAR PROBLEMS (Short Answer Type)|20 Videos
  • D - AND F - BLOCK ELEMENTS

    CHHAYA PUBLICATION|Exercise HIGHER ORDER THINKING SKILL (HOTS) QUESTIONS|28 Videos
  • COORDINATION COMPOUNDS OR COMPLEX COMPOUNDS

    CHHAYA PUBLICATION|Exercise PRACTICE SET 21|2 Videos
  • ELECTROCHEMISTRY

    CHHAYA PUBLICATION|Exercise PRACTICE SET 4(Answer the following questions)|14 Videos

Similar Questions

Explore conceptually related problems

For successive members of the first series of the transition metals are listed below. For which one of the them the standard potential (E_(M^(2+)|M)^(@)) value has a positive sign -

Four successive members of the first row transition elements are listed below with atomic numbers. Which one of them is expected to have the highest E_(M^(3+)|M^(2+))^(0) value -

A M(2+) ion derived from a metal in the first transition metal series has four electrons in 3d subshell .What element might M be

Determine reduction potential of the given electrode reaction at 25^(@)Cl Cu^(2+)(0.1M, aq)+2erarrCu(s). The standard reduction potential of Cu^(2+)|Cu system =+0.34V .

Zn - granules are added in excess to 500 mL of 1.0 M nicke nitrate solution at 25^(@)C until the equilibrium is reached. If standard reduction potential of Zn^(2+)|Zn and Ni^(2+)|Ni are -0.75V and -0.24V , respectively, find out the concentration of Ni^(2+) in solution at equilibrium.

Which one of the following reactions will be spontaneous if the standard reduction potential of M^(+)|M and X|X^(-) electrodes of the galvanic cell. M|M^(+)||X^(-)|X is +0.44V and +0.33V respectively? (i) M+XrarrM^(+)+X^(-), (ii) M^(+)+X^(-)rarr M+X.

The concentration of each of Y^(-) and Z^(-) in a solution is 1 M. At 25^(@)C , a gas X at a pressure of 1 atm is allowed to pass through the solution. If the values of standard reduction potentials of X, Y and Z follows the order Z gt X gt Y , then which one between Y^(-) and Z^(-) would be oxidised by X?

The standard reduction potential of the following reaction at 25^(@)C, is 0.78V, NO_(3)^(-)(aq)+2H^(+)(aq)+e rarr NO_(2)+H_(2)O. (i) If the concentration of H^(+) is 8(M), what will be the standard reduction potential of the half - cell ? (ii) What will be the reduction potential of the half - cell in neutral solution? Suppose all other constituents are at unit concentration.

A solution contains X^(-) and Z^(-) of concentration 1(M) each. A gas X is passed through the solution at 1 atm and 25^(@)C . If the order of standard reduction potential of X, Y and Z is Z > Y > X, which one out of X and Z will be oxidised by Y?

CHHAYA PUBLICATION-D - AND F - BLOCK ELEMENTS -ENTRANCE QUESTION BANK
  1. Acidified K(2)Cr(2)O(7) solution turns green when Na(2)SO(3) is added ...

    Text Solution

    |

  2. For the four successive transition elements (Cr, Mn, Fe and Co), the s...

    Text Solution

    |

  3. Four successive members of the first series of the transition metals a...

    Text Solution

    |

  4. Which of the following exhibits only + 3 oxidation state -

    Text Solution

    |

  5. Which one of the following does not correctly represent the correct of...

    Text Solution

    |

  6. The catalytic activity of transition metals and their compounds is asc...

    Text Solution

    |

  7. Red precipitate is obtained when enthanol solution of dimethylglyoxime...

    Text Solution

    |

  8. Which of the statement is not true -

    Text Solution

    |

  9. KMnO(4) can be prepared from K(2)MnO(4) as per the reaction : 3MnO(4...

    Text Solution

    |

  10. Which of the following lanthanoid ions is diamagnetic - (At. Nos. Ce =...

    Text Solution

    |

  11. Reason of lanthanoid contraction is -

    Text Solution

    |

  12. Magnetic moment 2.83 BM is given by which of the following ions - (AT....

    Text Solution

    |

  13. In acidic medium, H(2)O(2) changes Cr(2)O(7)^(2-) to CrO(5) which has ...

    Text Solution

    |

  14. Gadolinium belong to 4f - series. Its atomic number is 64. Which of th...

    Text Solution

    |

  15. Which one of the following statements related to lanthanoids is incorr...

    Text Solution

    |

  16. The electronic configuration of Eu (Atomic No. 63), Gd (Atomic No. 64)...

    Text Solution

    |

  17. Which of the following statements is correct when SO(2) is passed thro...

    Text Solution

    |

  18. The reason for greater range of oxidation states in actinoids is attri...

    Text Solution

    |

  19. Which one of the following ions exhibits d - d transition and paramagn...

    Text Solution

    |

  20. Match the metal ions given in column - I with the spin magnetic moment...

    Text Solution

    |