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question mark

In potassium dichromate, K2Cr2O7, find the oxidation state of chromium?
A
12
B
1
C
6
D
3
E
2

Mayank Ranka , 4 Years ago
Grade 12th pass
anser 1 Answers
Om Joshi

Last Activity: 4 Years ago

POTASSIUM DICHROMATE K2 Cr2 O7
 
oxidation state of chromium
2(K)+ 2(Cr)+ 7(O) = 0
enter values ( common oxidation states)
let oxidation state of chromium be X
 
Therefore,
2(1)+ 2x + 7(-2) = 0
2+ 2x – 14 = 0
x= 12/2
x=6
Option C) 6
 
 

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