Some Basic Concepts Of Chemistry Question 15

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

Options:

A) $ XY $

B) $ X _2Y $

C) $ {X _{{}}}Y _2 $

D) $ X _2Y _3 $

Show Answer

Answer:

Correct Answer: B

Solution:

$ X:15 $ % $ Y:50 $ % $ X:Y=5:2.5=2:1,hence{X_2}Y. $



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