Answered

Which substance below is resonance stabilized by delocalized pi electrons?

ABenzene
BHydrochloric acid 
CHydrogen gas 
DMethane 
EPotassium bromide

Verified Answer :

cxcharlie

If you do not this, I suggest brushing up on delocalization as well as sigma/pi bonds. Benzene is the only one of the 5 with any pi bonds, so this should be a relatively easy question if you are familiar with the concepts. I would search up a detailed (not to detailed though) explanation of both.

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