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In potassium dichromate, K 2 ​ C r 2 ​ O 7 ​ , find the oxidation state of chromium? A 12 B 1 C 6 D 3 E 2

In potassium dichromate, K2Cr2O7, find the oxidation state of chromium? 

A

12

B

1

C

6

D

3

E

2

 

Grade:12th pass

1 Answers

Om Joshi
25 Points
6 months 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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