- A${F^ + }$ and $Ne$
- B$L{i^ + }$ and $H{e^ - }$
- ✓$C{l^ - }$ and $Ar$
- D$Na$ and $ K$
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$\left[\Lambda_{\mathrm{m}}=\right.$ molar conductivity
$\Lambda_{\mathrm{m}}^{\circ}=$ limiting molar conductivity
$\mathrm{c}=$ molar concentration
$\mathrm{K}_{\mathrm{a}}=$ dissociation constant of $\mathrm{HX}$ ]
$\left[ Ag \left( H _{2} O \right)_{2}\right]\left[ Ag ( CN )_{2}\right]$ is :
$A$. Column chromatography
$B$. Thin layer chromatography
$C$. Paper chromatography
Choose the most appropriate answer from the options given below:



${I^ - }(aq.) + MnO_4^ - (aq.)\xrightarrow[{weakly\,\,O{H^ - }}]{{Neutral\,\,or}}Y + Mn{O_2}$
$MnO_4^ - (aq.) + M{n^{2 + }}(aq.)\xrightarrow{{ZnS{O_4}}}Z + 4{H^ + }$
Products $X,\,Y$ and $Z$ are respectively :