JEE Main 2022 · 28 Jul · Shift 2 · Chemistry Q46

ChemistryList match+4 / -1Question 46 of 90

Match List I with List II

Choose the correct answer from the options given below :

List I (Polymer)

A
$\mathrm{\left[CH_2{-}C(Cl){=}CH{-}CH_2\right]_n}$ (neoprene)
B
$\mathrm{\left[NH{-}(CH_2)_6{-}NH{-}CO{-}(CH_2)_4{-}CO\right]_n}$ (nylon 6,6)
C
$\mathrm{\left[CH_2{-}CHCl\right]_n}$ (PVC)
D
Phenol-formaldehyde chain, phenol rings joined by CH₂ bridges (novolac/bakelite)

List II (Nature)

A-II, B-III, C-IV, D-I

A-III, B-II, C-IV, D-I

A-III, B-I, C-IV, D-II

A-I, B-III, C-IV, D-II

Answer and worked solution

Official answer: B

Nature. Neoprene is an elastomer, nylon 6,6 a fibre, PVC thermoplastic, and the phenol-formaldehyde resin thermosetting.

A-III, B-II, C-IV, D-I. (B)

JEE Main 2022 · 28 Jul · Shift 2, Chemistry question 46