Select incorrect statement from the following

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Select incorrect statement from the following

1. In benzene molecule hybridisation at all carbons is not same2. sp hybrid orbitals are equivalent and they are at an angle of 180° with each other3. In NH3BF3 formation, hybridisation at ammonia does not change4. In the formation of PCl5,one d-orbital will participate in hybridisation

Select incorrect statement from the following