Only in the state of sp2-hybridization are carbon atoms in the molecules of 1) 1-chloropentane

Only in the state of sp2-hybridization are carbon atoms in the molecules of 1) 1-chloropentane 2) benzene 3) toluene 4) isobutane 5) butadiene-1,2 6) ethanol

sp2-hybridization (plane-trigonal) is characteristic only for carbon atoms connected by one double bond with another atoms. Occurs in 1,3-butadiene (CH2 = CH-CH = CH2). Then the correct answer will be # 5 – butadiene-1,2.



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