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Which of the following has a linear shape

CH7
NH
H2S
CO

1 answer

To determine which molecule has a linear shape, we can analyze the geometry of the given compounds:

  1. CH7 - This is not a standard or known chemical species. It might be a typo or an error; normally, carbon has a maximum of four bonded atoms.

  2. NH - Ammonia (NH3) has a trigonal pyramidal shape, not linear.

  3. H2S - Hydrogen sulfide has a bent shape due to the two lone pairs of electrons on the sulfur atom, not linear.

  4. CO - Carbon monoxide (CO) is a linear molecule. It consists of a carbon atom triple-bonded to an oxygen atom, resulting in a linear geometry.

Therefore, CO (carbon monoxide) is the molecule that has a linear shape.