An element $X$ belongs to $3^{r d}$ period and group 16 of the Modern Periodic Table.
Write the Molecular formula of the compound when 'X' reacts with hydrogen and write its electron dot structure?

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Solution

From the given data we know that X belongs to oxygen family. So, X possesses valency of 2. When X reacts with hydrogen it forms $H_{2} X$ .

Thus, the molecular formula of the compound is $H_{2} X$ .

Electron dot structure can be represented as shown in figure:

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Similar questions

An element ‘X’ belongs to 3rd period and group 16 of the Modern Periodic Table.

a) Determine the number of valence electrons and the valency of ‘X’.

b) Molecular formula of the compound when ‘X’ reacts with hydrogen and write its electron dot structure.

c) Name the element ‘X’ and state whether its a metal or a non- metal.

X

3^{r d}

16

X

3^{r d}

X

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