Complete the given reaction of alkene with `KMnO_(4)` in different condition.
(i) `CH_(3)-CH_(2)-underset(CH_(3))underset(|)(C)=CH_(2)underset(273K)overset("Alkaline" KMnO_(4))rarr`

Explanation

To complete the reaction of the given alkene with KMnO4 under alkaline conditions at 273K, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Alkene Structure**:
The alkene given is CH3-CH2-C(CH3)=CH2. This structure has a double bond between the carbon atoms C2 and C3.

2. **Oxidation with KMnO4**:
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