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Hello students, hope you all doing great.
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In this question we are asked to find out molecular shape, bond angle, bond pair and the lone pair that are present in the given molecule i .e.
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C -se2.
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So now here we know that carbon is the central atom which is having valency of 4.
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So we will show the electrons of carbon using cross and selenium as it belongs to the family of oxygen it has 6 valence electron.
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We will show the electrons of selenium using dot so we have 1, 2, 3, 4, 5 and 6.
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Same for the other selenium atom 1, 2, 3, 4, 5 and 6.
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So this is the lewis dot structure of c -se2 which can be written as like this.
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So this is the structure of given molecule...