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Question

Oxidation number of Cr atom in CrO5 and K3CrO8 respectively:

A
+6 , +6
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B
+5 , + 6
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C
+6 , + 5
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D
+ 5 , + 5
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Solution

The correct option is A +5 , + 6
Structure of K3CrO8
Refer to fig 1
Structure of CrO5
Refer fig 2.
This oxidation state of CrO5 and K3CrO8 is +6 and +5 respectively.

1093711_1055115_ans_f9d2abe943ee404c89607e2ca2c2ee43.JPG

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