Paramagnetic and coloured ions are :- - Vidyadip

MCQ

Paramagnetic and coloured ions are :-

A
$Ce^{+4},\, Yb^{+2}$
✓
$Gd^{+3},\, Nd^{+3}$
C
$La^{+3}, \,Lu^{+3}$
D
$Lr^{+3}, \,Lu^{+3}$

✓

Answer

Correct option: B.

$Gd^{+3},\, Nd^{+3}$

b

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

JEE STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

The bond that determines the secondary structure of a protein is

Gabriel phthalamide synthesis is used for preparation of :-

Find the value of $\frac{{[NaCN]}}{{[HCN]}}$ Given $pH$ of the buffer solution of $\ce{NaCN}$ and $\ce{HCN}$ is $9.3$ and $K_a$ of $\ce{HCN}$ is $5\times 10^{-10}$

$2S{O_3}$ $\rightleftharpoons$ $2S{O_2} + {O_2}$. If ${K_c} = 100,\,\,\alpha = 1$, half of the reaction is completed, the concentration of $S{O_3}$ and $S{O_2}$ are equal, the concentration of ${O_2}$ is

Number of molecules from below which cannot give ioddoform reaction is :
Ethanol, Isopropyl alcohol, Bromoacetone, 2-Butanol, 2-Butanone, Butanal, 2-Pentanone, 3-Pentanone, Pentanal and 3-Pentanol

Among the following compounds, which one has the shortest $C - Cl$ bond $?$

Nitrobenzene on further excessive nitration gives

${H_2}S$ react with ${O_2}$ to form

Conversion of benzene diazonium chloride to chlorobenzene is an example of which of the following reactions?

Choose incorrect stability order