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When `K_(2)Cr_(2)O_(7)` is heated with conc. `H_(2)SO_(4)` and soluble chloride such as KCl :

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When `K_(2)Cr_(2)O_(7)` is heated with conc. `H_(2)SO_(4)` and soluble chloride such as KCl :
A. 49.4
B. 29.4
C. 39.4
D. 59.4
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Correct Answer - C
Blue complex is `CrO_(5)`
`%` of `Cr = (52)/(132) xx 100`
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