IB
IBO
Chemistry
October 2015
QP-201510-Chemistry-P1-HL · Question 13
Question (excerpt):
13. Which set contains two or more species with delocalized π electrons? A. CH3CH3 , H2C=CH2 , H2C=O B. NaCl , C6H6 , H2C=O C. CO3 2- , C6H6 , C6H12 D. O2 , CH3COCH3 , CH3COOCH3
13. Which set contains two or more species with delocalized π electrons? A. CH3CH3 , H2C=CH2 , H2C=O B. NaCl , C6H6 , H2C=O C. CO3 2- , C6H6 , C6H12 D. O2 , CH3COCH3 , CH3COOCH3
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