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Polymers

275 questions in 10 topics. 55 NEET level, 110 JEE Main, 110 JEE Advanced. Every question was written for this chapter and solved independently a second time before publication.

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Molecular mass of polymers 35

Nylon 6,6 has the repeat unit -[NH-(CH2)6-NH-CO-(CH2)4-CO]-, molecular formula C12H22N2O2. Taking C = 12, H = ...
A sample of polymer has M_n = 5.0x10^4 g mol^-1 and M_w = 8.0x10^4 g mol^-1. Its polydispersity index M_w/M_n ...
Which statements about the degree of polymerisation are correct? (C = 12, H = 1, N = 14, O = 16)
The degree of polymerisation of a polymer chain is
A sample of 1 mol chains of 100000 g mol^-1 is mixed with 1 mol of short chains of 1000 g mol^-1. Compared wit...
A sample has 2 mol of chains of molar mass 20000 g mol^-1 and 1 mol of chains of molar mass 50000 g mol^-1. Us...
A blend contains 6.0 g of one species of chain of 20000 g mol^-1 and 6.0 g of another species of 60000 g mol^-...
A blend contains 10 g of polymer of molar mass 10000 g mol^-1 (one species) and 10 g of polymer of molar mass ...
All 35 questions on this topic

Addition polymerisation and mechanism 36

Classification of polymers 39

Polymers

Molecular mass of polymers 35

Addition polymerisation and mechanism 36

Classification of polymers 39

Condensation polymers: nylon, polyester, bakelite 36

Rubber and vulcanisation 36

Biodegradable polymers 38

Monomer from drawn repeat unit 14

Repeat unit and classification from drawn monomers 14

Geometry, tacticity and crosslinking in drawn chains 14

Functional groups and hydrolysis of drawn polymers 13