Home
Class 11
CHEMISTRY
There are many elements in the periodic ...

There are many elements in the periodic table which exhibit variable valency.This is a particular characteristic of (A)Transition elements (B) Noble gases (C) Non-metals. (D) Respresentative elements

A

Respresentative elements

B

Transition elements

C

Noble gases

D

Non-metals.

Text Solution

Verified by Experts

The correct Answer is:
B

Transition elements show variable valency due to the presence of vacant d-orbitals.
Promotional Banner

Topper's Solved these Questions

  • CLASSIFICATION OF ELEMENTS AND PERIODICITY

    NCERT FINGERTIPS ENGLISH|Exercise HOTS|10 Videos
  • CLASSIFICATION OF ELEMENTS AND PERIODICITY

    NCERT FINGERTIPS ENGLISH|Exercise EXEMPLAR PROBLEMS|12 Videos
  • CHEMICAL BONDING & MOLECULAR STRUCTURE

    NCERT FINGERTIPS ENGLISH|Exercise Assertion And Reason|15 Videos
  • ENVIRONMENTAL CHEMISTRY

    NCERT FINGERTIPS ENGLISH|Exercise Assertion And Reason|15 Videos

Similar Questions

Explore conceptually related problems

Which element in the given below does not show variable valency ?

In the periodic table, the metallic character of elements

The f -block elements of the periodic table contains those element in which

Write one main characteristic of d-block elements or transition elements

How many of the transition elements are called Platinum metals.

How many of the transition elements are called coinage metals.

Which transition element does not exhibit variable oxidation state?

The table shows a part of the periodic table, with some elements in their position. Answer the following questions: Name a transition element.

How many elements are present in the d-block of the periodic table?

There are two rows of inner transition elements in the periodic table each containing 14 elements.The reason for this may be

NCERT FINGERTIPS ENGLISH-CLASSIFICATION OF ELEMENTS AND PERIODICITY -Assertion And Reason
  1. There are many elements in the periodic table which exhibit variable ...

    Text Solution

    |

  2. Assertion:According to mendeleev,the properties of elements are a peri...

    Text Solution

    |

  3. Assertion:Atomic number is a more fundamental property of an element t...

    Text Solution

    |

  4. Assertion:Atomic number of the element ununtrium is 113. Reason:Accor...

    Text Solution

    |

  5. Assertion:In the present form of periodic table,the period number corr...

    Text Solution

    |

  6. Assertion:The chemistry of the early actinoids is more comlicated than...

    Text Solution

    |

  7. Assertion:The atomic size generally increases across a period and decr...

    Text Solution

    |

  8. Assertion:Among isoelectronic species,the cation with the greater posi...

    Text Solution

    |

  9. Assertion:On moving down the group the group,ionization enthalpy decre...

    Text Solution

    |

  10. Assertion:For the elements O or F,the electron gain enthalpy is less n...

    Text Solution

    |

  11. Assertion: Shielding effect increases as we go down the group. Reaso...

    Text Solution

    |

  12. Assertion:Electronegativity is not a measurable quantity. Reason:The e...

    Text Solution

    |

  13. Oxidation state of oxygen in OF(2) and Na(2)O is +2 and -2 respectivel...

    Text Solution

    |

  14. Assertion:Boron can only form [BF(4)]^(-),whereas aluminium forms[AlF(...

    Text Solution

    |

  15. Assertion:Metallic character is highest at the extremely left side of ...

    Text Solution

    |

  16. Assertion:Na(2)O is basic whereas Cl(2)O(7) is acidic oxide. Reason:E...

    Text Solution

    |