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The answer to each of the following questions is a single digit integer, ranging from 0 to 9. If the correct answers to the qustion numbers A,B,C and D (say) are 4,0,9 and 2 respectively, then the correct darkening of bubbles should be as shown on the side : Oxidation state of Cr in CrO_(5)is |
Answer» SOLUTION :`CrO_(5)` is aperoxo compound , `CrO(O_(2))_(2)` with the structure  `i.e., x+4 (-1)+ ( -2) = 0` or `x= +6` |
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