Functional groups and hydrolysis of drawn polymers

13 questions on Functional groups and hydrolysis of drawn polymers from the Polymers chapter: 4 NEET level, 4 JEE Main, 5 JEE Advanced. Each one opens with its answer and solution.

• A short fragment of a polymer chain (three repeat units, end groups shown) is drawn. Which functional group links the repeat units? NEET level, drawn structure
• A short fragment of a polymer chain (three repeat units, end groups shown) is drawn. Which functional group links the repeat units? NEET level, drawn structure
• A short fragment of a polymer chain (end groups shown) is drawn. Which linkage joins the diol-derived and diisocyanate-derived units? NEET level, drawn structure
• A short fragment of a biodegradable polymer chain (three repeat units, end groups shown) is drawn. Which of the structures shown is the product on complete hydr... NEET level, drawn structure
• A short fragment of a polymer chain (two repeat units, end groups shown) is drawn. Which of the structures shown is the only organic product of its complete hyd... JEE Main level, drawn structure
• A short fragment of a polymer chain (one amide link, end groups shown) is drawn. On complete acid hydrolysis of the amide, which pair of compounds, shown as two... JEE Main level, drawn structure
• A short fragment of a copolyester chain (end groups shown) is drawn. On complete hydrolysis of all ester bonds, how many different organic compounds are obtaine... JEE Advanced level, drawn structure
• A short fragment of a polyester chain (one repeat unit, end groups shown) is drawn. This polymer is a crosslinked resin used in paints and lacquers. Which pair ... JEE Main level, drawn structure
• A short fragment of a biodegradable polymer chain (three units, end groups shown) is drawn. Select all correct statements. JEE Advanced level, drawn structure
• A short fragment of a polymer chain (end groups shown) is drawn. It is completely hydrolysed so that every carbamate link is cleaved. Select all correct stateme... JEE Advanced level, drawn structure
• A short fragment of a polymer chain (end groups shown) is drawn. Which of the structures shown, given as two molecules, are the products of complete hydrolysis ... JEE Advanced level, drawn structure
• Short fragments of polymer chains are shown among the structures (end groups drawn). Which structure is that of a polymer that is readily biodegradable through ... JEE Main level, drawn structure
• A short fragment of a polyester chain (one repeat unit with a free carboxylic acid end, end groups shown) is drawn. It is heated with an excess of aqueous sodiu... JEE Advanced level, drawn structure