JEE Main 2023 (Online) 13th April Evening Shift | Polymers Question 2 | Chemistry

1

JEE Main 2023 (Online) 13th April Evening Shift

MCQ (Single Correct Answer)

+4

-1

Out of Syllabus

Match List I with List II

	LIST I		LIST II
A.	Weak intermolecular forces of attraction	I.	Hexamethylenediamine + adipic acid
B.	Hydrogen bonding	II.	$$\mathrm{AlEt_3+TiCl_4}$$
C.	Heavily branched polymer	III.	2 - chloro - 1, 3 - butadiene
D.	High density polymer	IV.	Phenol + formaldehyde

Choose the correct answer from the options given below:

A

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

B

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

C

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

D

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

2

JEE Main 2023 (Online) 13th April Morning Shift

MCQ (Single Correct Answer)

+4

-1

Out of Syllabus

Match 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)	Polychloroprene	(IV)	Neoprene

Choose the correct answer from options given below:

A

$$\mathrm{a} \rightarrow \mathrm{III}, \mathrm{b} \rightarrow \mathrm{II}, \mathrm{c} \rightarrow \mathrm{I}, \mathrm{d} \rightarrow \mathrm{IV}$$

B

$$\mathrm{a} \rightarrow \mathrm{II}, \mathrm{b} \rightarrow \mathrm{III}, \mathrm{c} \rightarrow \mathrm{IV}, \mathrm{d} \rightarrow \mathrm{I}$$

C

$$\mathrm{a} \rightarrow \mathrm{IV}, \mathrm{b} \rightarrow \mathrm{III}, \mathrm{c} \rightarrow \mathrm{I}, \mathrm{d} \rightarrow \mathrm{II}$$

D

$$\mathrm{a} \rightarrow \mathrm{III}, \mathrm{b} \rightarrow \mathrm{IV}, \mathrm{c} \rightarrow \mathrm{I}, \mathrm{d} \rightarrow \mathrm{II}$$

3

JEE Main 2023 (Online) 12th April Morning Shift

MCQ (Single Correct Answer)

+4

-1

Out of Syllabus

Match List I with List II

	LIST I (Examples)		LIST II (Type)
A.	2-chloro-1,3- butadiene	I.	Biodegradable polymer
B.	Nylon 2-nylon 6	II.	Synthetic Rubber
C.	Polyacrylonitrile	III.	Polyester
D.	Dacron	IV.	Addition Polymer

Choose the correct answer from the options given below:

A

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

B

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

C

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

D

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

4

JEE Main 2023 (Online) 11th April Evening Shift

MCQ (Single Correct Answer)

+4

-1

Out of Syllabus

Given below are two statements :

Statement I : Ethene at 333 to $$343 \mathrm{~K}$$ and $$6$$-$$7$$ atm pressure in the presence of $$\mathrm{AlEt}_{3}$$ and $$\mathrm{TiCl}_{4}$$ undergoes addition polymerization to give LDP.

Statement II : Caprolactam at $$533$$-$$543 \mathrm{~K}$$ in $$\mathrm{H}_{2} \mathrm{O}$$ through step growth polymerizes to give Nylon 6.

In the light of the above statements, choose the correct answer from the options given below:

A

Both Statement I and Statement II are true

B

Statement I is true but Statement II is false

C

Statement I is false but Statement II is true

D

Both Statement I and Statement II are false