Potassium sesquioxide has actually _____ atoms.

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Solution

The correct option is A 30
Potassium sesquioxide has actually 3O atoms.
$K_{2} O$
Potassium monoxide
$K O_{2}$
Potassium dioxide
$K_{2} O_{3}$
Potassium sesquioxide

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Answer the following questions :

Set I

1. Unpaired electron(s) in superoxide ion ..........

2. Potassium sesquioxide has actually .......... O atoms

3. When one mole of $N a_{2} C O_{3}$ is heated, $C O_{2}$ obtained is .......... mole.

4. Number of $H C O_{3}^{-}$ ions joined by H-bonding in $K H C O_{3}$ is ..........

5. When $L i N O_{3}$ is heated, change in oxidation number of N is ..........

6. When $N a N O_{3}$ is heated, change in oxidation number of N is ..........

7. Number of s-electrons in $N a^{-}$ is ..........

8. A number of elements in the second period showing the diagonal relationship is ..........

4.53 A

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