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The number of moles of `Br_(2)` produced when two moles of potassium permanganate are treated with excess potassium bromide in aqueous acid medium is-A. 1B. 3C. 2D. 4 |
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Answer» Correct Answer - B `KMnO_(4)+KBr+H_(2)SO_(4)toMnSO_(4)+K_(2)SO_(4)+Br_(2)+H_(2)O` Balanced equations `2KMnO_(4)+10KBr+8H_(2)SO_(4)to2MnSO_(4)+5Br_(2)+6K_(2)SO_(4)+8H_(2)O` `Eq. of KMnO_(4)=Eq.ofBr_(2)` `"Mole"xxn="Mole"xxn` `2xx5="Mole"xx2 5 moles of `Br_(2)` are formed |
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