MCQ
The correct stability order for the following carbocation is


- A$IV > I > III > II$
- B$IV > III > II > I$
- ✓$I > IV > III > II$
- D$I > III > IV > II$


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$(i) C_2H_5OH \longrightarrow CH_3CHO$
$(ii) C_2H_5OH \longrightarrow C_2H_5ONa$
$A + D \rightleftharpoons AD,AD + D \rightleftharpoons A{D_2}$, $A{D_2} + D \rightleftharpoons A{D_3}$. Then equilibrium constant $'K'$ for $A + 3D \rightleftharpoons A{D_3}$ is related as