Home
Class 11
CHEMISTRY
Statement : .(24)Cr has more paramangeti...

Statement : `._(24)Cr` has more paramangetic nature than ` ._(25)Mn`.
Explanation : `Cr` has more number of unpaired electron than Mn.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false

D

If assertion is false but reason is true.

Text Solution

Verified by Experts

The correct Answer is:
A
(a) `._24 Cr` has all six unpaired electrons whereas `._25 Mn` has five unpaired out of seven electrons. But has `5` d-electrons.
Promotional Banner

Topper's Solved these Questions

  • ATOMIC STRUCTURE

    A2Z|Exercise AIPMT/NEET Questions|59 Videos

  • ATOMIC STRUCTURE

    A2Z|Exercise AIIMS Questions|16 Videos

  • ATOMIC STRUCTURE

    A2Z|Exercise Quantum Numbers, Orbitial'S Shape, Electronic Configuration|91 Videos

  • CHEMICAL BONDING AND MOLECULAR STRUCTURE

    A2Z|Exercise Section D - Chapter End Test|30 Videos

Similar Questions

Explore conceptually related problems

Number of unpaired electrons in Mn^(3+) is

Number of unpaired electrons in Mn^(4+) is

Which of the following has more number of unpaired d-electrons ?

The number of unpaired electron in Mn^(4+) (Z = 25) is :-

A2Z-ATOMIC STRUCTURE-Section B - Assertion Reasoning
  1. The atoms of different elements having same mass number but different ...

    Text Solution

    |

  2. The value of n for a line Balmer series of hydorgen spectrum having th...

    Text Solution

    |

  3. Statement : .(24)Cr has more paramangetic nature than .(25)Mn. Expl...

    Text Solution

    |

  4. Assertion (A) : For n = 3,l1 may be 0,1 and 2 and m may be 0, +- 1 and...

    Text Solution

    |

  5. Cu((aq.))^+ has less stable nature than Cu((aq.))^(2+) but Fe((aq.))^(...

    Text Solution

    |

  6. Statement : Specific charge of alpha-particles is twice to that of pr...

    Text Solution

    |

  7. A beam of electrons deflects more than a beam of alpha-"particles" in...

    Text Solution

    |

  8. K and Cs are used in photoelectric cells. K and Cs emit electrons on...

    Text Solution

    |

  9. The free gaseous Cr atom has six unpaired electrons. Half-filled s-o...

    Text Solution

    |

  10. e//m ratio in case of anode ray experiment is different for different ...

    Text Solution

    |

  11. Band gap in germanium is small. The energy spread of each germanium ...

    Text Solution

    |

  12. Spectral line would not ne seen for a 2px - 2pz transition p-orbital...

    Text Solution

    |

  13. Transition of electron between px and py would not lead to an spectral...

    Text Solution

    |

  14. Number of sub-shell in a shell is equal to the number of shel. Accor...

    Text Solution

    |

  15. Electronic configuration of .23 V^(3+) ion is [Ar]^18 3 d^2 and not [A...

    Text Solution

    |

  16. Statement : Number of waves in an orbit of atom is equal to number of ...

    Text Solution

    |

  17. A triply ionized Be-atom has the same radius of 2^(nd) orbitas that of...

    Text Solution

    |

  18. Statement : wavelength of (I) line of Humphry series is more than (I) ...

    Text Solution

    |

  19. The magnetic moment of Mg-"atom" is more than K-"atom" as the former h...

    Text Solution

    |

  20. Statement : All s-orbitla in H-atom corresponds to a non-zero probabil...

    Text Solution

    |