MEDIUMMCQ SINGLEJEE Advanced ChemistryPhysical ChemistryMole _ Equivalent ConceptMolecular Formula

The simplest formula of a compound containing 50% of  an  element  X  (atomic  weight  10)  and  50%  of element Y (atomic weight 20) is :

A.XY
B.X2Y✓ Correct
C.XY2
D.X2Y3
Explanation

Let mass of compound = 100 gm Then mass of X = 50 gm Then mass of Y = 50 gm Mole of X = 50/10 = 5 Mole of Y = 50/2.5= 2.5 5 2.5 2 Molecular formula   X Y X Y

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