Choose the pair whose ions have the similar electronic configurat… - Vidyadip

MCQ

Choose the pair whose ions have the similar electronic configuration

A
Lithium and sodium
B
Potassium and calcium
C
Sodium and potassium
✓
Both $(a)$ and $(c)$

✓

Answer

Correct option: D.

Both $(a)$ and $(c)$

d

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→Rajasthan Board STD 11 Science question papers→Rajasthan Board question paper generator→

Similar questions

The elements with atomic number $10, 18, 36, 54$ and $86$ are all

For a $d$ electron, the orbital angular momentum is

A saturated solution of $A{g_2}S{O_4}$ is $2.5 \times {10^{ - 2}}$ $M$; The value of its solubility product is

$\mathrm{pH}$ of a saturated solution of $\mathrm{Ca}(\mathrm{OH})_{2}$ ts $9 .$ The solublity product $\left(\mathrm{K}_{\mathrm{sp}}\right)$ of $\mathrm{Ca}(\mathrm{OH})_{2}$ is

Which of the following is strongest Bronsted base?

Which one of these is not compatible with arenes

$HN{O_3}$ in liquid hydrogen fluoride behaves

All bonds in benzene are equal due to

In the reaction :

${C_6}{H_5} - H\mathop {\xrightarrow{{[X]}}}\limits_{AlC{l_3}} $ $\begin{matrix}
O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
{{C}_{6}}{{H}_{5}}-C-C{{H}_{2}}-{{C}_{6}}{{H}_{5}} \\
\end{matrix}$

$[X]$ will be :

The solubility product of $AgI$ at $25\,^oC$ is $1.0 \times {10^{ - 16}}\,mo{l^2}\,{L^{ - 2}}$. The solubility if $AgI$ in ${10^{ - 4}}\,N$ solution of $KI$ at $25\,^oC$ is approximately (in $mol$ ${l^{ - 1}})$