Boron nitride, BN, is a new high-tech material. According to the molecular orbital energy-level diagram below, which one of the following statements is not correct about boron nitride? These molecular orbitals are formed from the 2s and 2p atomic orbitals. 
A) The bond order in BN is 2.0.
B) The cation BN+has a longer bond than BN.
C) BN is paramagnetic.
D) The bond order in the cation BN+ is 1.5.
E) The anion BN- has a weaker bond than BN.
Correct Answer:
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