Q.

The monomers present in glyptal are

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a

Ethylene glycol, pthalic acid

b

Ethylene glycol, caproic acid

c

Vinyl chloride, terepthalic acid

d

Urea, formaldehyde

answer is C.

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Detailed Solution

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  • Glyptal - a polyester, is formed by ethylene glycol and phthalic acid formed by step-growth polymerization as shown in the above reaction. 
  • Step-growth polymerization refers to a type of polymerization mechanism in which bi-functional or multifunctional monomers react to form first dimers, then trimers, longer oligomers and eventually long chain polymers.solution
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