Home
Class 12
CHEMISTRY
Assertion: Melting point of Mn is more t...

Assertion: Melting point of Mn is more than that of Fe.
Reason : Mn has higher number of unpaired `e^(2)` than Fe in atomic state.

A

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

B

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

C

If assertion is false but reason is true

D

If assertion is true but the reason is false

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • d-BLOCK ELEMENTS

    VK JAISWAL ENGLISH|Exercise Level 2|154 Videos

  • CO-ORDINATION COMPOUNDS

    VK JAISWAL ENGLISH|Exercise LEVEL 2|144 Videos

  • ENVIRONMENTAL CHEMISTRY

    VK JAISWAL ENGLISH|Exercise ASSERTION-REASON TYPE QUESTIONS|14 Videos

Similar Questions

Explore conceptually related problems

The melting point of copper is higher than that of zinc because

Number of unpaired electrons in Mn^(2+) is

Assertion : Boiling point of ethanol is higher than that of propane. Reason : Molecular mass of ethanol is higher than propane.

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

Assertion :-HCl is more polar than HF. Reason :- Cl has more E.N. than F.

Assertion: F is more electronegative than Cl . Reason: F has high electron affinity than Cl .

Assertion : Magnetic moment of Mn^(2+) is less than Cr^(2+) Reason: Higher the atomic number smaller is the magnetic moment.

Assertion : Molar mass of D_(2)O is more than than of protium oxide. Reason : Boiling point of protium oxide is higher than that of D_(2)O .

Assertion:SiC has higher melting point than NaCl. Reason: SiC has stronger electrostatic forces of attraction.

Assertion : -I effect of Cl atom is greater than F atom. Reason : Cl atom has more elctronegativity than F atom.

Knowledge Check

  • The melting point of copper is higher than that of zinc because

    A
    the s, p as well as d- electrons of copper are involved in metallic bonding.
    B
    the atomic volume of copper is higher
    C
    the d - electrons of copper are involved in metallic bonding
    D
    the s as well as d- electrons of copper are involved in metallic bonding.

  • Assertion : Boiling point of ethanol is higher than that of propane. Reason : Molecular mass of ethanol is higher than propane.

    A
    if both assertioon and reason are true and reason is the corrct explanation of assertion.
    B
    If both assertion and reason are ture but reason is not the corrcet explanation of assertion.
    C
    If assertion is true but reason is false .
    D
    if both assertion and reason are false.

  • Assertion : Magnetic moment of Mn^(2+) is less than Cr^(2+) Reason: Higher the atomic number smaller is the magnetic moment.

    A
    If both assertion and reason are true and reason is the correct explanation of assertion.
    B
    If both assertion and reason are true and reason not is the correct explanation of assertion.
    C
    If assertion is trun but reason is false.
    D
    If both assertion and reason are false.
    • VK JAISWAL ENGLISH-d-BLOCK ELEMENTS-ASSERTION-REASON TYPE QUESTIONS
    1. Assertion: Melting point of Mn is more than that of Fe. Reason : Mn ...

      Text Solution

      |

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

      Text Solution

      |

    3. Assertion: Zn gives H(2) gas with dil. HCl and also with dil. H(2)SO(4...

      Text Solution

      |

    4. Assertion: KMnO(4) has different equivalent wieghts in acid, neutral o...

      Text Solution

      |

    5. Assertion: Cu^(2+) is more stable than Cu^(+) Reason: Electrode pote...

      Text Solution

      |

    6. Statement 1: Concentrated solution of CuCl(2) in water is yellow in co...

      Text Solution

      |

    7. Assertion: KMnO(4) is purple in colour due to charge transfer . Reas...

      Text Solution

      |

    8. Assertion : CrO(3) reacts with HCl to form chromyl chloride gas Reas...

      Text Solution

      |

    9. Mercury is the only metal which is liquid at 0^(@)C. This is due to it...

      Text Solution

      |

    10. Assertion: CuSO(4)*5H(2)O and FeSO(4)*7H(2)O are blue and green colour...

      Text Solution

      |

    11. Assertion: FeSO(4) and Fe(2)(SO(4))(3) undergoes intramolecular redox ...

      Text Solution

      |

    12. Assertion: Zn(OH)(2) is dissolved in both NH(4)OH and NaOH solution Re...

      Text Solution

      |

    13. Assertion: Increasing order of covalent character among given compound...

      Text Solution

      |

    14. Assertion: AgNO(3) reacts with KCN to form white ppt. of AgCN. This wh...

      Text Solution

      |

    15. Assertion: Zero and negative oxidation state of d-block metal ion are ...

      Text Solution

      |

    16. Assertion: Aquated copper(I) cation undergoes disproportionation as: ...

      Text Solution

      |

    17. Assertion: Melting point of Mn is more than that of Fe. Reason : Mn ...

      Text Solution

      |

    18. Assertion: Cu^(2+)(aq) is less than Cu^(3+)(aq) but Fe^(3+) is more st...

      Text Solution

      |

    19. Assertion: Zn gives H(2) gas with dil. HCl and dil. H(2)SO(4) but not...

      Text Solution

      |

    20. Assertion: KMnO(4) has different equivalent wieghts in acid, neutral o...

      Text Solution

      |