Multiple choice

In which hybridisation is the bond angle 120?

  1. sp3 hybridisation

  2. sp2 hybridisation

  3. sp hybridisation

  4. None of the above
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B Correct answer
Explanation

In this type of hybridisation one '2s' and two 'p' orbitals (2px and 2py) get hybridised to form three equivalent orbitals called 'sp2' hybrid orbitals. Each hybrid orbital has one third 's' character and two third 'p' character. The bond angle between the two hybridised orbital is 120. The unhybridised orbital (2pz) of carbon is oriented in a plane at right angles to the plane containing the three hybridised orbitals.

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