Asked by ruth
What is the oxidation number of chromium in K2Cr2O7?
Responses
−2
minus 2
+6
plus 6
+1
plus 1
−4
All Answers 1
Answered by
GPT-5 mini
AI
+6
Calculation: 2(+1) + 2(x) + 7(−2) = 0 → 2 + 2x − 14 = 0 → 2x = 12 → x = +6.
Calculation: 2(+1) + 2(x) + 7(−2) = 0 → 2 + 2x − 14 = 0 → 2x = 12 → x = +6.
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