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melomori [17]
3 years ago
9

What is the oxidation number of the chromium atom in k2cro4? what is the oxidation number of the chromium atom in ? +2 +6 -3 -7

+4?
Chemistry
1 answer:
Free_Kalibri [48]3 years ago
8 0
<span>(K⁺¹)2Cr(O⁻²)4

+1*2 +x-2*4=0
2+x-8=0
x=6
Oxidation number of Cr is +6.</span>
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\qquad \qquad\huge \underline{\boxed{\sf Answer}}

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