AIPMT 2004 | d and f Block Elements Question 64 | Chemistry

Among the following series of transition metal ions, the one where all metal ions have 3d² electronic configuration is
[At. Nos. Ti = 22, V = 23, Cr = 24, Mn = 25]

Ti³⁺, V²⁺, Cr³⁺, Mn⁴⁺

Ti⁺, V⁴⁺, Cr⁶⁺, Mn⁷⁺

Ti⁴⁺, V³⁺, Cr²⁺, Mn³⁺

Ti²⁺, V³⁺, Cr⁴⁺, Mn⁵⁺

AIPMT 2004

MCQ (Single Correct Answer)

-1

lanthanoids are

14 elements in the sixth period (atomic no. 90 to 103) that are filling 4f sublevel

14 elements in the seventh period (atomic number = 90 to 103) that are filling 5f sublevel

14 elements in the sixth period (atomic number = 58 to 71) that are filling the 4f sublevel

14 elements in the seventh period (atomic number = 50 to 71) that are filling 4f sublevel.

AIPMT 2003

MCQ (Single Correct Answer)

-1

The correct order of ionic radii of Y³⁺, La³⁺, Eu³⁺ and Lu³⁺ is
(Atomic nos. Y = 39, La = 57, Eu = 63, Lu = 71)

Y³⁺ < La³⁺ < Eu³⁺ < Lu³⁺

Y³⁺ < Lu³⁺ < Eu³⁺ < La³⁺

Lu³⁺ < Eu³⁺ < La³⁺ < Y³⁺

La³⁺ < Eu³⁺ < Lu³⁺ < Y³⁺

AIPMT 2003

MCQ (Single Correct Answer)

-1

The basic character of the transition metal monoxides follows the order
(Atomic no's. Ti = 22, V = 23, Cr = 24, Fe = 26)

VO > CrO > TiO > FeO

CrO > VO > FeO > TiO

TiO > FeO > VO > CrO

TiO > VO > CrO > FeO

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