Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
JEE Main202225 Jun 2022Evening ShiftChemistryPolymersActual

The Novolac polymer has mass of 963 g . The number of monomer units present in it are

Correct answer

9

Step-by-step solution

The molar mass of the monomer unit in the box = 107 Assume there are n   number of monomer units, So, total molar mass n × 107   =   963 n = 9

Practice Polymers on Quantrex Academy →

More from Polymers

Match List I with List II: List I (Monomer) List II (Polymer) (A) Tetrafluoroethene (I) Orlon (B) Acrylonitrile (II) Natural rubber (C) Caprolactam (III) Teflon (D) Isoprene (IV) N 2023Match the following Column - A Column - B a . Nylon 6 I . Natural Rubber b . Vulcanized Rubber II . Cross Linked c . cis - 1 , 4 - polyisoprene III . Caprolactam d . Polychloropren 2023Match List I with List II List I (Example) List II (Type) A 2 -chloro- 1 , 3 -butadiene I Biodegradable polymer B Nylon 2 -nylon 6 II Synthetic Rubber C Polyacrylonitrile III Polye 2023Given below are two statements: Statement I: Ethane at 333 to 343 K and 6 - 7 atm pressure in the presence of AlEt 3 and TiCl 4 undergoes addition polymerization to give LDP. State 2023The polymer X-consists of linear molecules and is closely packed. It is prepared in the presence of trimethylammoniumpropyl and titanium tetrachloride under low pressure. The polym 2023Buna - S can be represented as: 2023Match List-I with List-II. List-I Polymer List-II Type/Class A. Nylon- 2 -Nylon- 6 I. Thermosetting polymer B. Buna- N II. Biodegradable polymer C. Ureaformaldehyde resin III. Synt 2023Polymer used in orlon is: 2023 Full Polymers list All JEE Main PYQs