MCQ
Steps $I$ and $II$ are


- A$I$ can't be $S_N1$
- B$II$ can't be $S_N1$
- ✓$I$ $S_N1$ $\&$ $II$ $S_N2$
- D$I$ $S_N2$ $\&$ $II$ $S_N1$

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$(A)$ The $M ^{3+} / M ^{2+}$ reduction potential for iron is greater than manganese
$(B)$ The higher oxidation states of first row $d$ block elements get stabilized by oxide ion.
$(C)$ Aqueous solution of $Cr ^{2+}$ can liberate hydrogen from dilute acid.
$(D)$ Magnetic moment of $V ^{2+}$ is observed between $4.4-5.2\,BM$
Choose the correct answer from the options given below: