Home
Class 12
CHEMISTRY
Statement-1 : Occasionally +2 and +4 oxi...

Statement-1 : Occasionally +2 and +4 oxidation states of lanthanides are obtained.
Statement-2: Empty, half-filled or filled f-subshell are extra stable.

A

Statement-1 is True, Statement-2 is True, Statement-2 is a correct explanation for Statement-1.

B

Statement-1 is True, Statement-2 is True, Statement-2 is not a correct explanation for Statement-1.

C

Statement-1 is True, Statement-2 is false

D

Statement-1 is False and Statement-2 is True.

Text Solution

Verified by Experts

The correct Answer is:
A
`+2` and `+4` oxidation state occur if `f^(0), f^(7), f^(14)` E.C. occur.
Promotional Banner

Topper's Solved these Questions

  • F-BLOCK ELEMENTS

    GRB PUBLICATION|Exercise Multiple objective type|9 Videos

  • F-BLOCK ELEMENTS

    GRB PUBLICATION|Exercise Comprehension|2 Videos

  • F-BLOCK ELEMENTS

    GRB PUBLICATION|Exercise Subjective type|7 Videos

  • ENVIRONMENTAL CHEMISTRY

    GRB PUBLICATION|Exercise Straight objective type|40 Videos

  • GRAPHICAL INTERPRETATION

    GRB PUBLICATION|Exercise Subjective Type|23 Videos

Similar Questions

Explore conceptually related problems

The most stable +2 oxidation state in Lanthanides is

Statement-1 : The third ionisation enthalpy of La, Gd and Lu are abnormally low. Statement-2 : Empty, half-filled and completelt filled orbitals of f-level are extra stable.

The extra stability of half-filled and completely-filled subshell is due to

Statement-1 : In caro's acid the oxidation state of sulphur is +5 Statement-2: In caro's acid, there is one peroxolinkage. (-O-O-)

The most stable +2 oxidation state is exhibited by

Which has the most stable +2 oxidation state ?

+ 4 ion of which has half-filled 4f subshell?

Knowledge Check

  • The most stable +2 oxidation state in Lanthanides is

    A
    Ce
    B
    Eu
    C
    Tb
    D
    Dy

  • Statement-1 : The third ionisation enthalpy of La, Gd and Lu are abnormally low. Statement-2 : Empty, half-filled and completelt filled orbitals of f-level are extra stable.

    A
    Statement-1 is True, Statement-2 is True, Statement-2 is a correct explanation for Statement-1.
    B
    Statement-1 is True, Statement-2 is True, Statement-2 is not a correct explanation for Statement-1.
    C
    Statement-1 is True, Statement-2 is false
    D
    Statement-1 is False and Statement-2 is True.

  • Which has most stable +2 oxidation state :

    A
    Sn
    B
    Pb
    C
    Fe
    D
    Ag