The oxidation number of Cr in K_(2)Cr_(2)O_(7) is………

1.	The oxidation number of Cr in K_(2)Cr_(2)O_(7) is………
Answer» +6 +4 -2 +7 Solution :`K_(2)Cr_(2)O_(7)` 2 + 2X-14 = 0 2x-12 = 0 2x = +12 x = +6

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