JEE Main · 2021 · Shift-IIeasyDNF-247

The Eu2+ ion is a strong reducing agent in spite of its ground state electronic configuration (outermost) : [Atomic…

d & f-Block Elements · Class 12 · JEE Main Previous Year Question

Question

The $\ce{Eu^2+}$ ion is a strong reducing agent in spite of its ground state electronic configuration (outermost) : [Atomic number of Eu = 63 ] (1) $4f^6 6s^2$ (2) $4f^7$ (3) $4f^7 6s^2$ (4) $4f^6$

Options

a
$4f^6 6s^2$
b
$4f^7$
✓
c
$4f^7 6s^2$
d
$4f^6$

Correct Answerb

$4f^7$

Practice this question with progress tracking

Want timed practice with adaptive difficulty? Solve this question (and hundreds more from d & f-Block Elements) inside The Crucible, our adaptive practice platform.

Practice in The Crucible →Browse d & f-Block Elements chapter →

More JEE Main d & f-Block Elements PYQs

2024medium

Iron(III) catalyses the reaction between iodide and persulphate ions, in which: A. Fe3+ oxidises the iodide ion B. Fe3+ oxidises the persulphate ion C. Fe2+ reduces the iodide ion D. Fe2+ reduces the…

2023medium

The pair of lanthanides in which both elements have high third-ionization energy is: (1) Dy, Gd (2) Lu, Yb (3) Eu, Yb (4) Eu, Gd

2023easy

Which one amongst the following are good oxidising agents? (a) Sm2+ (b) Ce2+ (c) Ce4+ (d) Tb4+ Choose the most appropriate answer from the options given below :

2023easy

Which of the following elements have half-filled f-orbitals in their ground state ? (Given : atomic number Sm — 62; Eu = 63; Tb = 65; Gd = 64, Pm = 61) Choose the correct answer from the options…

2023easy

The correct order of basicity of oxides of vanadium is:

View all 111 d & f-Block Elements PYQs →

The Eu2+ ion is a strong reducing agent in spite of its ground state electronic configuration… (JEE Main 2021) | Canvas Classes