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JEE Main Chemistry question

ChemistryThe d and f-Block ElementsJEE Main

When is fused with (in presence of air), a coloured compound is formed. The compound and its colour are:

Answer: (A)

Solution

Fusing with KOH in the presence of air (an oxidant) produces potassium manganate: , a deep (purple-)green

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Question ID VK-145416