Calculate the oxidation number of Mn in $$KMnO_{4}$$ and $$Cr$$ in $$K_{2}Cr_{2}O_{7}$$

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Calculate oxidation state of:

C r

K_{2} C r_{2} O_{7}

S

H_{2} S O_{4}

M n

K M n O_{4}

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What is the oxidation number of

C r

K_{2} C r_{2} O_{7}

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Calculate the oxidation number of Mn in KMnO₄, S in H₂S₄O₆and P in H₂P₂O₇?

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The oxidation number of

C r

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is :

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What is the increasing order of equivalent weights of the following oxidising agents?
(i)

K M n O_{4} ⟶ M n^{2 +}

(ii)

K_{2} C r_{2} O_{7} ⟶ C r^{3 +}

(iii)

K C l O_{3} ⟶ C l^{-}

[Atomic wt.:

K = 39, C r = 52, M n = 55, C l = 35.5, O = 16

]

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