MCQ
Rate of ${S_{{N^1}}}$ in given compound is


- ✓$A > B > C$
- B$C > B > A$
- C$A > C > B$
- D$B > A > C$

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| $LIST-I ($Precipitating reagent and conditions) |
$LIST-II ($Cation$)$ |
||
| $A.$ | $NH_4Cl + NH_4OH$ | $I.$ | $Mn^{2+}$ |
| $B.$ | $NH_4OH + Na_2CO_3$ | $II.$ | $Pb^{2+}$ |
| $C.$ | $NH_4OH + NH_4Cl + H_2S$ gas | $III.$ | $Al^{3+}$ |
| $D.$ | dilute $HCl$ | $IV.$ | $Sr^{2+}$ |
Product $(B)$ is
