MCQ
The simplest formula of a compound containing $50\%$ of element $X$ (atomic mass $10$) and $50\%$ of element $Y$ (atomic mass $20$) is
- A$XY$
- ✓${X_2}Y$
- C$X{Y_3}$
- D${X_2}{Y_3}$
✓
Answer
Correct option: B.
${X_2}Y$
b
(b)
(b)
|
Element |
$\%(a)$ |
At.wt.$(b)$ |
$a/b$ |
Ratio |
|---|---|---|---|---|
|
$X$ |
$50$ |
$10$ |
$5$ |
$2$ |
|
$Y$ |
$50$ |
$20$ |
$2.5$ |
$1$ |
simplest formula = $X_2Y$
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