An element Q forms a compound QCI5. In which group of the periodic table is Q?
Answer Details
The Roman numeral in the compound QCI5 indicates the oxidation state of element Q in the compound, which is 5. From this information, we can determine the group number of element Q in the periodic table. Group number of an element is equal to its highest oxidation state. Since the oxidation state of element Q in the compound is 5, it belongs to group V of the periodic table. Therefore, the correct answer is V.