how come its 2nd option sp2 hybridised carbons are 5 right? Share with your friends Share 0 Srinivas answered this answer is 3 carbons have sp2 hybridised carbon those are 1,2,5. 1 View Full Answer Nikhil Chowdary answered this No.3rd and 4th carbons are sp-hybridised Only 1st,2nd and 5th carbons are sp2-hybridised 0
