What alkyl group is CH3CH2? Organic Chemistry Welcome to Organic Chemistry Definition of 'Chemistry' and 'Organic' 1 Answer anor277 Nov 23, 2015 A #H_3C-CH_2# group is an ethyl residue. Explanation: Ethyl groups are very common residues. Their #""^1H# #NMR# spectra, a triplet, and a doublet, are very distinctive. Answer link Related questions Question #7889a Why are organic compounds important? How are compounds in organic chemistry named? What is the line formula of #CH_3CH_2CH_2C(CH_3)^3#? What is this functional group: #(CH_3)_2C=CHCH_3#? What is the general formula of a carboxylic acid? What is a carboxyl group? What is an alkane? What is the formula of the ethyl group? What is a functional group in organic chemistry? See all questions in Definition of 'Chemistry' and 'Organic' Impact of this question 15469 views around the world You can reuse this answer Creative Commons License