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Nature of Oxides

When KMnO4 re...

Question

When KMnO4 reacts with KBr inalkaline medium gives bromate ion , then oxidation state of Mn changes from +7 to - a)+6 b) +4 c) +3 d) +2

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K M n O_{4}

K B r

in alkaline medium gives bromate ion. Then oxidation state of

M n

+ 7

_{4}

reacts with KBr in alkaline medium bromine ion is formed. The oxidation state of Mn changes from

+ 7

Q. During the titration of

K M n O_{4}

with oxalic acid in acid medium, the oxidation number of

M n^{7 +}

Q. Bromine reacts with the hot aqueous alkali to give bromide and bromate. What is the change that is brought about in the oxidation state of bromine to bromate?

K M n O_{4}

is reduced with oxalic acid in acidic medium, the oxidation number of

M n

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