Chemistry, asked by Snehasonu6685, 4 months ago

Assign the oxidation numbers to all the atoms in each ion. Cr2O72-

Answers

Answered by Ravina

1

Answer:

Cr = +6 , O = -2

Explanation:

Let the oxidation number of Cr be x.

2x + 7 (-2) = -2

2x - 14 = -2

2x = 14 - 2

2x = 12

x = 12/2

x = +6

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