MCQ
Which one pair of atoms or ions will have same configuration
- A${F^ + }$ and $Ne$
- B$L{i^ + }$ and $H{e^ - }$
- ✓$C{l^ - }$ and $Ar$
- D$Na$ and $ K$
✓
Answer
Correct option: C.
$C{l^ - }$ and $Ar$
c
(c) No. of electron are same $(18)$ in $C{l^ - }$ and $Ar$.
(c) No. of electron are same $(18)$ in $C{l^ - }$ and $Ar$.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Assertion : Cyclopentadienyl anion is much more stable than allyl anion.
Reason : Cyclopentadienyl anion is aromatic in character.
At the same temperature, following solution will be isotonic
The rate of a reaction quadruples when temperature changes from $27^{\circ} \mathrm{C}$ to $57^{\circ} \mathrm{C}$. Calculate the energy of activation.
→Given $\mathrm{R}=8.314 \mathrm{~J} \mathrm{~K}^{-1} \mathrm{~mol}^{-1}, \log 4=0.6021$
In the given reactions identify $A$ and $B$.
→The major product of the reaction is
Which of the following is a lewis acid ?
The pair having the same magnetic moment is:
[At. No.: $Cr =24, Mn =25, Fe =26, Co =27]$
→[At. No.: $Cr =24, Mn =25, Fe =26, Co =27]$
Match List $I$ with List $II$.
→| List $I$ (Compound) | List $II$ (Shape/geometry) |
| $A$. $\mathrm{NH}_3$ | $I$. Trigonal Pyramidal |
| $B$. $\mathrm{BrF}_5$ | $II$. Square Planar |
| $C$. $\mathrm{XeF}_4$ | $III$. Octahedral |
| $D$. $\mathrm{SF}_6$ | $IV$. Square Pyramidal |
Choose the correct answer from the options given below:
The cell reaction $Mn + 2Ag_{\left( {{C_1}} \right)}^ + \left( {aq} \right) \to Mn_{\left( {{C_2}} \right)}^{ + 2}\left( {aq} \right) + 2Ag$ is represented by
→Minimum ionic radius in $N-$ family
→