In KMn04 molecule, the oxidation states of the elements potassium (K), manganese (Mn) and oxygen (O) are respectively

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Q: 85 (NDA-II/2012)
In KMn04 molecule, the oxidation states of the elements potassium (K), manganese (Mn) and oxygen (O) are respectively
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question_subject: 

Science

question_exam: 

NDA-II

stats: 

0,3,4,2,3,0,2

keywords: 

{'elements potassium': [0, 0, 0, 1], 'oxidation states': [0, 0, 0, 1], 'manganese': [2, 0, 0, 1], 'molecule': [1, 0, 0, 9], 'oxygen': [3, 0, 1, 0], 'mn': [0, 0, 1, 2]}