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Equilateral shape has

1. sp hybridisation
2. sp2 hybridisation
3. sp3 hybridisation
4. sp3d hybridisation

Correct answer: sp2 hybridisation

Solution

An equilateral shape corresponds to a trigonal planar geometry, which arises from sp2 hybridisation. This occurs when one s orbital and two p orbitals mix to form three equivalent sp2 hybrid orbitals.

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