A) QY
B) \[{{Q}_{2}}{{Y}_{3}}\]
C) \[Q{{Y}_{4}}\]
D) \[Q{{Y}_{3}}\]
Correct Answer: C
Solution :
The following solids are formed byX, Y, Q and Z. \[X{{Y}_{2}},{{X}_{2}}Z,QZ\] According to the above formulae, X, Y, Q, and Z exhibit +2, -1, +4, and -4 oxidation states respectively. Therefore, the formula of the compound formed by Q and Y is \[Q{{Y}_{4}}\].
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