
- A

- ✓

- C

- D








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$(A)$ Micelle formation is an exothermic process.
$(B)$ Micelle formation is an endothermic process.
$(C)$ The entropy change is positive.
$(D)$ The entropy change is negative.
$(i)\,\,(CH_3)_2CH - CH_2Br \xrightarrow{{{C_2}{H_5}OH}}$ $ (CH_3)_2CH - CH_2OC_2H_5 + HBr$
$(ii)\,\,(CH_3)_2CH - CH_2Br \xrightarrow{{{C_2}{H_5}O^-}} $ $(CH_3)_2CH - CH_2OC_2H_5 + Br^-$
The mechanisms of reactions $(i)$ and $(ii)$ are respectively
$[Image]$
Hybridisation of carbon $a, b$ and $c$ respectively are :
$C{H_3} - {(C{H_2})_3} - O - C{H_3}$
$C{H_3} - C{H_2} - O - C{H_2} - C{H_2} - C{H_3}$
$C{H_3} - \mathop {CH}\limits_{\mathop {|\,\,\,\,}\limits_{C{H_3}} } - O - C{H_2} - C{H_3}$ is