Home
Class 11
CHEMISTRY
Assertion. Al and Ga have nearly same at...

Assertion. Al and Ga have nearly same atomic radii.
Reason. Al and Ga diagonal relationship.

A

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

B

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

C

If assertion is true, but reason is false.

D

If both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
C
Correct reason. Due to inert pair effect, Al and Ga have nearly same atomic radii.
Promotional Banner

Topper's Solved these Questions

  • SOME p-BLOCK ELEMENTS

    PRADEEP|Exercise Competition Focus (JEE( Main and Advanced)/Medical Entrance) VII. Numerical Value Type Questions|1 Videos

  • SOLID STATE

    PRADEEP|Exercise Advanced problems|19 Videos

  • STATES OF MATTER : GASES AND LIQUIDES

    PRADEEP|Exercise VIII. ASSERTION-REASON TYPE QUESTIONS (TYPE-II)|12 Videos

Similar Questions

Explore conceptually related problems

Reason for diagonal relationship is

Al and Ga have the same covalent radius because of

Which group of atoms have nearly same atomic radius.

Assertion : 4d and 5d series elements have nearly same atomic radius. Reason : Lanthanoid contraction.

Which series of elements have nearly the same atomic radii ?

Be and Al have the following resemblance due to diagonal relationship,

Assertion : Ionization energy of Be is almost the same as that of Al . Reason : Best diagonal relation ship is shown between Be and Al .

Assertion: Be is readily attacked by acids. Reason: Be shows diagonal relationship to Na.

PRADEEP-SOME p-BLOCK ELEMENTS-Competition Focus (JEE( Main and Advanced)/Medical Entrance) VIII. Assertion-Reason Type Questions (Type I)
  1. Statement-1. Aluminium acts as a strong affinity for oxygen. Stateme...

    Text Solution

    |

  2. Statement I In water, orthoboric acid behaves as a weak monobasic acid...

    Text Solution

    |

  3. In B(2)H(6), there is no B-B bond. The B(2)H(6).2NH(3) adduct on hea...

    Text Solution

    |

  4. Statement-1. (SiH(3))(H)N is a weaker base than (CH(3))(3)N. Stat...

    Text Solution

    |

  5. Statement-1. Pb^(4+) compounds are stronger oxidizing agent than Sn^(...

    Text Solution

    |

  6. Statement-1. CO(2) is a gas but SiO(2) is a solid at room temperature...

    Text Solution

    |

  7. Assertion. Al and Ga have nearly same atomic radii. Reason. Al and G...

    Text Solution

    |

  8. Assertion: Boron always froms covalent bond. Reason: The small size ...

    Text Solution

    |

  9. Assertion. Coloured cations can be identified by borax bead test. ...

    Text Solution

    |

  10. Borax bead test is not suitable of for Al(III) Al(2)O(3) is insolubl...

    Text Solution

    |

  11. Assertion. SiF(6)^(2-) is known but SiCl(6)^(2-) is not. Reason. Siz...

    Text Solution

    |

  12. Assertion (A): PbCl(2) is more stable than PbCl(4). Reason (R ): P...

    Text Solution

    |

  13. Assertion. PbI(4) is a stable than PbCl(4). Reason. Iodide ion stab...

    Text Solution

    |

  14. Assertion (A) : SnI4 is an orange solid . Reason (R) : The colour ...

    Text Solution

    |

  15. Assertion : Between SiCl(4) and C Cl(4) only SiCl(4) reacts with water...

    Text Solution

    |

  16. Assertion. Diamond is the hardest possible substance and is a networ...

    Text Solution

    |

  17. Assertion (A) Graphite is a good conductor of heat and electicity. ...

    Text Solution

    |

  18. Assertion (A) : C(60) fullerence is an allotrope OF carbon. Reason (...

    Text Solution

    |

  19. Assertion. Carbon monoxide is highly toxic. Reason. Carbon monoxide ...

    Text Solution

    |

  20. Assertion: Silicones are hydrophobic in nature. Reason: Si-O-Si link...

    Text Solution

    |