STANDARDChemistry-Stoichiometry
STANDARD Chemistry Empirical and Molecular Formulas MCQ Question
Type: MCQ-numerical-Medium
A compound contains two elements 'X' and 'Y' in the ratio of 50% each. Atomic mass of 'X' is 20 and 'Y' is 40. What can be its simplest formula?
A
XY
B
X₂Y
C
XY₂
D
X₂Y₃
Correct Answer
Option B
Detailed Explanation
The mole ratio of X to Y is calculated as 2.5:1.25, which simplifies to 2:1. Therefore, the simplest formula is X₂Y.
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