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Q.
The main oxide formed by lithium on burning in air is $Li _{x} O _{y}$. The value of $\frac{ y }{x}$ is_____.
The s-Block Elements
Solution:
Lithium forms monoxide on burning in air.
The formula of oxide is $Li _{2} O$.
$\therefore $ Value of $x=2$ and $y=1$
$\therefore \frac{y}{x}=\frac{1}{2}=0.5$