taylorlenker7698 taylorlenker7698

06-03-2024
Chemistry

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Two elements A and B form compounds having molecular formula AB2 and AB4 and dissolved in 20 g of benzene. What is the formula of an oxo-anion of chromium (Cr) in which it shows the oxidation state equal to its group number?
a) CrO2
b) CrO4
c) Cr2O3
d) CrO3

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