Home
Class 12
CHEMISTRY
(A): Fe^(+3) is more stable than that of...

(A): `Fe^(+3)` is more stable than that of `Fe^(+2)`.
(R) : `Fe^(+3)` ion has half filled 3d orbital whereas  `Fe^(+2)` does not.

A

Both A & R are true, R is the correct explanation of A

B

Both A & R are true, R is not correct explanation of A

C

A is true, R is false

D

A is false, R is true

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • D - BLOCK ELEMENTS

    AAKASH SERIES|Exercise OBJECTIVE EXERCISE - 2(GENERAL PROPERTIES AND ELECTRONIC CONFIGURATION)|6 Videos

  • D - BLOCK ELEMENTS

    AAKASH SERIES|Exercise OBJECTIVE EXERCISE - 2(OXIDATION STATES)|3 Videos

  • D - BLOCK ELEMENTS

    AAKASH SERIES|Exercise OBJECTIVE EXERCISE - 1 (LANTHANIDES AND ACTINIDES)|19 Videos

  • D & F BLOCK ELEMENTS

    AAKASH SERIES|Exercise PRACTICE SHEET-5 (INTEGER ANSWER TYPE QUESTIONS)|6 Videos

  • D-BLOCK ELEMENTS

    AAKASH SERIES|Exercise OBJECTIVE EXERCISE-4 (ASSERTION (A) & REASON (R) TYPE QUESTIONS )|69 Videos

Similar Questions

Explore conceptually related problems

(A) : Fe^(3+) (g) is more stable than Fe^(2+) (g) (R) : Fe^(3+) (g) has more number of unpaired electrons than Fe^(++) (g)

(A) : Fe^(3+) (g) is more stable than Fe^(2+) (g). (R) : Fe^(3+) (g) has more number of unpaired electrons than Fe^(++) (g)

E^(@) for Mn^(3+), Mn^(2+) is more positive than that for Fe^(3+), Fe^(2+) , Why?

The oxidation state of Fe in [Fe(CN)_6]^(-3) ion is

Thermite is a mixture of Fe_(2)O_(3) and

The oxidation state of Iron is [Fe(CN)_(6)]^(-3) ion

The ratio of Fe^(3+) and Fe^(2+) ions in Fe_(0.9)9S_(1.0) is

Why are Mn^(2+) compounds more stable than Fe^(2+) towards oxidation to their +3 state?

What is the correct order of radii of Fe^(2+), Fe^(3+) and neutral Fe atom. Why?

If stoichiometric quantities of KMnO_(4) and K_(2)Cr_(2)O_(7) mixture is added for the oxidation of Fe^(2+) " to " Fe^(3+) in acidic medium, then Fe^(2+) will be oxidised

AAKASH SERIES-D - BLOCK ELEMENTS-OBJECTIVE EXERCISE - 1 (ASSERTION AND REASON TYPE)
  1. (A): Fe^(+3) is more stable than that of Fe^(+2). (R) : Fe^(+3) ion ...

    Text Solution

    |

  2. (A): Sc^(+3) ion in aqueous solutions is colorless (R) : Ions with d...

    Text Solution

    |

  3. (A): Cu^(+) is diamagnetic (R): Ions with dl configuration are diama...

    Text Solution

    |

  4. (A): Transition elements form alloys easily (R) : Transition element...

    Text Solution

    |

  5. (A): Transition elements form alloys very easily. (R): They exhibit ...

    Text Solution

    |

  6. (A): Elements of second and third transition series have nearly same a...

    Text Solution

    |

  7. (A) : Transition metals form colored ions (R): They have completely ...

    Text Solution

    |

  8. (A): Magnetic moment of Mn^(+2) is 5.8 B.M (R): Mn^(+2) has five unp...

    Text Solution

    |

  9. (A) : Cu^(+2)(aq) is more stable than Cu^(+)(aq) (R): Heat of hydrat...

    Text Solution

    |

  10. (A): Zn(II) compounds are diamagnetic. (R): Zn(II) has all its elect...

    Text Solution

    |

  11. (A): FeO is basic in character. (R): Oxides of transition metals are...

    Text Solution

    |

  12. (A): Pyrolusite is an ore of manganese. (R) : Formula of pyrolusite ...

    Text Solution

    |

  13. (A): Equivalent mass of K(2)Cr(2)O(7), when it acts as oxidizing agent...

    Text Solution

    |

  14. (A): Ti(IV) in aqueous solutions is colour less. (R): Ti(IV) has no ...

    Text Solution

    |

  15. (A): In alkaline medium, KMnO(4) oxidizes iodides to iodates. (R): K...

    Text Solution

    |

  16. (A): Zr and Hf have nearly equal atomic radii. (R): Zr and Hf belong...

    Text Solution

    |

  17. (A) : The most common oxidation state of lanthanides is +3. (R): Lan...

    Text Solution

    |

  18. (A): Ce^(4+) is a good oxidizing agent. (R): Sm^(2+) is a good reduc...

    Text Solution

    |

  19. (A): Zinc does not show characteristic properties of transition metals...

    Text Solution

    |

  20. (A): K(2)CrO(4) has yellow colour due to charge transfer (R) : CrO(4...

    Text Solution

    |