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JEE Main 202313 AprilMorning Shift
Exam
JEE Main
Year
2023
Date
13 April
Shift
Morning Shift
Subject
Chemistry
Chapter
Polymers

JEE Main 2023 · 13 April · Morning Shift · Chemistry · Polymers

Match the following Column - A Column - B a . Nylon 6 I . Natural...

Match the following

Column−A- A Column−B- B
a.a . Nylon 6 I.I . Natural Rubber
b.b . Vulcanized Rubber II.II . Cross Linked
c.c . cis−1,4−- 1, 4 -polyisoprene III.III . Caprolactam
d.d . Polychloroprene IV.IV . Neoprene

Choose the correct answer from options given below:

Options

  1. Aa→III,b→II,c→I,d→IVa \to III, b \to II, c \to I, d \to IV
  2. Ba→III,b→IV,c→I,d→IIa \to III, b \to IV, c \to I, d \to II
  3. Ca→IV,b→III,c→II,d→Ia \to IV, b \to III, c \to II, d \to I
  4. Da→II,b→III,c→IV,d→Ia \to II, b \to III, c \to IV, d \to I

Correct answer

A. a→III,b→II,c→I,d→IVa \to III, b \to II, c \to I, d \to IV

Step-by-step solution

Nylon 6 or polycaprolactam is a polymer, in particular semicrystalline polyamide.

Vulcanization is a chemical process in which the rubber is heated with sulphur, accelerator and activator at 140–160°C140 – 160 ° C. The process involves the formation of cross-links between long rubber molecules to achieve improved elasticity, resilience, tensile strength, viscosity, hardness and weather resistance.

Polychloroprene is the polymer name for the synthetic rubber known as neoprene.

Natural rubber is the only addition polymer found in nature and is known as Cis - 1,4 - polyisoprene.

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