Which of the following is not a covalent compound?

C O_{2}

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C l_{2}

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N a_{2} O

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C H_{4}

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Solution

The correct option is B $N a_{2} O$
$N a_{2} O$ is ionic because the valence electron of sodium is 1 so two molecules of sodium gives two electrons to oxygen which is in need of 2 electrons. It is formed by transfer of electrons.

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Similar questions

How many covalent bonds are present in the following compounds?

(i) $C O_{2}$

(ii) $H_{2} O$

(iii) $C H_{4}$

(iv) $N_{2}$

(v) $N H_{3}$

Q. From the given compounds,

X

C a O, {S O}_{2}, {S O}_{3}, {F e}_{2} O_{3}, {C l}_{2} O_{7}, {C O}_{2}, {N a}_{2} O

X

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