Question

Which of the following molecule does not have a linear arrangement of atoms?

Answer 1

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For linear arrangement of atoms the hybridisation is sp. (bond angle = 180°). 

Only H2S has sp3-hybridisation and hence it hasn't linear arrangement has angular shape.

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Answer 2

For linear arrangement of atoms the hybridisation is sp. (bond angle = 180°). 

Only H2S has sp3-hybridisation and hence it hasn't linear arrangement has angular shape.