MCQ
Methyl group attached to benzene can be oxidised to carboxyl group by reacting with :
- A$Fe_2O_3$
- B$AgNO_3$
- ✓$KMnO_4$
- D$CrO_3$
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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.