Which of the following has the maximum number of unpaired electro… - Vidyadip

MCQ

Which of the following has the maximum number of unpaired electrons

A
$M{g^{2 + }}$
B
$T{i^{3 + }}$
C
${V^{3 + }}$
✓
$F{e^{2 + }}$

✓

Answer

Correct option: D.

$F{e^{2 + }}$

d
(d) $F{e^{2 + }}$has $1{s^2},2{s^2}2{p^6},3{s^2}3{p^6}3{d^6}$ configuration with $4$ unpaired electron.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from 2. structure of atom→2. structure of atom — all question types→Chemistry STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

When $I_2$ dissociates to its atomic form the following reaction occurs

$I_{2(g)} \rightleftharpoons 2I_{(g)} ; \Delta_f H^o = +150\,kJ$

The forward reaction is favoured at

In which of the following groups of iodine compounds shows increasing order of oxidation states :

For the following reactions, equilibrium constants are given

$S\left( s \right) + {O_2}\left( g \right) \rightleftharpoons S{O_2}\left( g \right);{K_1} = {10^{52}}$

$2S\left( s \right) + 3{O_2}\left( g \right) \rightleftharpoons 2S{O_3}\left( g \right);{K_2} = {10^{129}}$

The equilibrium constant for the reaction $2S{O_2}\left( g \right) + {O_2}\left( g \right) \rightleftharpoons 2S{O_3}\left( g \right)$ is

$n-$ hexane $\xrightarrow{{catalyst}}$ benzene

catalyst is

For the reaction at $25\,^oC,$ ${N_2}{O_4}_{(g)\,}\, \rightleftharpoons \,2N{O_2}_{(g)}$ if $\Delta G_f^o$ for $N_2O_4$ and $NO_2$ are $23. 49$ and $12.39\,KCal$ respectively then $K_p$ for the reaction is

The principal quantum number of an atom is related to the:

The $71^{st}$ electron of an element $X$ with an atomic number of $71$ enters into the orbital:

For a weak acid $HA,$ Ostwald's dilution law is represented by the equation

The $IUPAC$ name of ethylidene chloride is ..... .

Which of the following is a heterocyclic compound