Multiple choice

A compound is made up of elements X and Y. The equivalent weight of X is one-fourth its atomic weight and the equivalent weight of Y is half its atomic weight. Therefore, the formula of the compound is

  1. XY

  2. XY2

  3. X2Y

  4. X4Y2

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B Correct answer
Explanation

A compound is made of elements X and Y. The equivalent weight of X is one-fourth its atomic weight and the equivalent weight of Y is half its atomic weight. Therefore, the formula of the compound is XY2.