MCQ
For $Li^{+2}$ ion, $r_2 : r_5$ will be
- A$9 : 25$
- ✓$4 : 25$
- C$25 : 4$
- D$25 : 9$
✓
Answer
Correct option: B.
$4 : 25$
b
$\frac{{{r_2}}}{{{r_5}}} = \frac{{{{(2)}^2}}}{{{{(5)}^2}}} = \frac{4}{{25}}$
$\frac{{{r_2}}}{{{r_5}}} = \frac{{{{(2)}^2}}}{{{{(5)}^2}}} = \frac{4}{{25}}$
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
Most unstable carbocation of given is
Among the following statement which one is true?
An electrolytic cell contains solution of $Ag_2SO_4$ and has Platinum electrodes. A current is passed until $1.6\,g$ of $O_2$ is liberated at anode. The amount of silver deposited at cathode would be ............ $\mathrm{g}$
→As electron moves away from the nucleus, its potential energy
Consider the given plot of enthalpy of the following reaction between $A$ and $B$.
$A + B \to C + D$ Identify the incorrect statement
→$A + B \to C + D$ Identify the incorrect statement
Which among the given molecules can exhibit tautomerism ?
The volume (in $mL$ ) of $0.1 \ M AgNO _3$ required for complete precipitation of chloride ions present in $30 \ mL$ of $0.01 \ M$ solution of $\left[ Cr \left( H _2 O \right)_5 Cl \right] Cl _2$, as silver chloride is close to
→Which of the following will show haloform reaction
In hydrolysis of aniline, the reagent used is
Consider the following reactions
→$[P]\xrightarrow{\begin{subarray}{l}
(i)\,NAN{O_2}/HCl,\,0 - {5^o}C \\
(ii)\,\beta - napthol/NaOH
\end{subarray} }Colored\,\,Solid$
$[P]\xrightarrow{{B{r_2}/{H_2}O}}{C_7}{H_6}NB{r_3}$
The compound $[P]$ is