Home
Class 11
CHEMISTRY
Assertion (A): The ionic size of Mg^(2+)...

Assertion (A): The ionic size of `Mg^(2+)` is larger than `Al^(3+)`
Assertion (R): In isoelecronic species, greater the nuclear charge, less is the size

A

Both (A) and (R) are true and (R) is the correct explanation of (A)

B

Both (A) and (R) are true and (R) is not the correct explanation of (A)

C

(A) is true but (R) is false

D

(A) is false but (R) is true

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • IONIC EQUILIBRIUM

    NARAYNA|Exercise Level-VI (H.W)|35 Videos

  • REDOX REACTION

    NARAYNA|Exercise Exercise -4|114 Videos

Similar Questions

Explore conceptually related problems

Assertion (A): The nagtive ion is always larger than its atom Assertion (R): As the number of electron increase, the nuclear charge per electron is reduced.

Assertion (A): The size decreases in the order O^(2-) gt Mg^(2+) gt Al^(3+) Assertion (R): In isoelectronic ions, the size decreases with increase in nuclear charge.

Assertion: The ionic size of O^(2-) is bigger than that of F^(-) ions. Reason: O^(2-) and F^(-) are isoelectronic ions.

The ionic size of Cl^(-) is greater than that of K^(+) ion, though they are isoelectronic. Explain.

Assertion (A) : The size of a cation is larger in TV than in OV . Reason (R ) : Cations occupy more space than anions is crystals packing.

Assertion (A): F^(-1) ion is larger in size compared of F Assertion (R): Electron repulsion increases because of addition of electron which results in decrease effective nuclear charge

NARAYNA-PERIODIC TABLE -All Questions
  1. Assertion (A): Each d-block series contains ten elements Assertion (...

    Text Solution

    |

  2. Assertion (A): The first ionisation energy of B is less than that of B...

    Text Solution

    |

  3. Assertion (A): The ionic size of Mg^(2+) is larger than Al^(3+) Asse...

    Text Solution

    |

  4. Assertion (A): The second electron affinity of oxygen is exothermic. ...

    Text Solution

    |

  5. Assertion (A): Al(2)O(3) dissolves in both NaOH and HCl Assertion (R...

    Text Solution

    |

  6. Assertion (A): Cu^(+2) paramagnatic ltbr. Assertion (R): All the orbit...

    Text Solution

    |

  7. Assertion (A): Zn is not a transition element. Assertion (R): Elemen...

    Text Solution

    |

  8. Assertion (A): The transition metal ions are generally paramagnetic in...

    Text Solution

    |

  9. Assertion: F is more electronegative than Cl. Reason: F has high ele...

    Text Solution

    |

  10. Assertion (A): Ionisation potential of 'N' is greater than 'O' Asser...

    Text Solution

    |

  11. Assertion (A): The atomic radius of inert gases is higher than halogen...

    Text Solution

    |

  12. Assertion (A): In ionisation potential Vs atomic number curve peaks ar...

    Text Solution

    |

  13. The chemistry of the early actinoids is more complicated than the corr...

    Text Solution

    |

  14. Assertion (A): The size decreases as Pb gt Pb^(+2) gt Pb^(+4) Assert...

    Text Solution

    |

  15. Assertion (A): Ionisation potential across a period is Li lt B lt Be l...

    Text Solution

    |

  16. Assertion (A): F^(-1) ion is larger in size compared of F Assertion ...

    Text Solution

    |

  17. Assertion (A): Ionisation potential of K is numerically the same as el...

    Text Solution

    |

  18. Assertion: Generally, ionisation enthalpy than beryllium. Reason: Wh...

    Text Solution

    |

  19. Assertion: Boron has a smaller first ionisation enthalpy than berylliu...

    Text Solution

    |

  20. Assertion: Electron gain enthalpy always becomes less negative as we g...

    Text Solution

    |