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- Identify the class of organic substance for each of the following molecules (a) CH3―CH2―OH (b) H3C―CH3 (c) H3C―O―CH3Which functional group suffix would be used for the following organic compound? * CH, CH, H;C CH2 CH || alcohol (-ol) aldehyde (-al) ester (-oate) O ketone (-one) carboxylic acid (-oic acid)Distinguish between High Density Polyethylene (HDPE), Low Density Polyethylene (LDPE) and Linear Low Density Polyethylene (LLDPE) by giving ONE (1) example each.