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What is the oxidation number of the underlined atoms in the following : (a) `Na_(2)Cr_(2)O_(7)` (b) `Na_(3)PO_(4)`

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What is the oxidation number of the underlined atoms in the following :
(a) `Na_(2)Cr_(2)O_(7)`
(b) `Na_(3)PO_(4)`
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1 Answer

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by (92.6k points)
Correct Answer - (a) +6
(b) +5
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