English

Answer the following in one sentence. What type of intermolecular force leads to high density polythene? - Chemistry

Advertisements
Advertisements

Question

Answer the following in one sentence.

What type of intermolecular force leads to high-density polymer?

One Line Answer
Advertisements

Solution

Van der Waals forces between closely packed linear polymeric chains are responsible for high-density polymer.

shaalaa.com
  Is there an error in this question or solution?
Chapter 15: Introduction to Polymer Chemistry - Exercises [Page 338]

APPEARS IN

Balbharati Chemistry [English] Standard 12 Maharashtra State Board
Chapter 15 Introduction to Polymer Chemistry
Exercises | Q 2. vii. | Page 338

Video TutorialsVIEW ALL [1]

RELATED QUESTIONS

Write any ‘two’ uses of terylene.


Write the reactions involved in the preparation of  PVC


Explain the following term: Homopolymers


Bakelite is the polymer of:

(a) Benzaldchyde and phenol

(b) Acetaldehyde and phenol

(c) Formaldehyde and phenol

(d) Formaldehyde and benzyl alcohol

 


Write the formulae of the raw materials used for preparation of Dextran.


The Zieglar-Natta catalyst is used in the preparation of _______.

(A) LDPE

(B) PHBV

(C) PAN

(D) HDPE


Answer the following.

Write the reaction of the formation of Nylon 6.


Answer the following.

Write the reaction of the formation of Terylene.


Name and draw structure of the repeating unit in natural rubber.


Identify condensation polymers and addition polymers from the following.

\[\begin{array}{cc}\ce{-(CH2 - CH -)_{n}}\\
\phantom{....}|\\\ce{\phantom{.......}C6H5}
\end{array}\]


Identify condensation polymers and addition polymers from the following.

-(CH2 - CH = CH - CH2 -)n


Attempt the following:

Explain the vulcanisation of rubber. Which vulcanizing agents are used for the following synthetic rubber?
a. Neoprene
b. Buna-N


Answer the following.

Write main specialities of Buna-S, Neoprene rubber?


Nylon 6, 6 is a condensation polymer of hexamethylenediamine and _____________


Write the name of one example of each polymer in which following repeating units.

\[\begin{array}{cc}
\ce{(-CF2-CF2-), -[NH-(CH2)5-CO] -, -(CH2-CH-), (-CH2-CH2-)}\\
\phantom{............................}|\\
\phantom{..............................}\ce{CN}
\end{array}\]


Explain vulcanization of rubber.


Define rubber.


The INCORRECT match for the polymer with its application is:


Identify the INCORRECT match.


Which among the following polymers can NOT be remoulded?


Which among the following polymers is obtained from CH2 = CH – CN by polymerisation?


Identify the catalyst used in the manufacture of high density polythene.


Which of the following polymers is prepared by using phenol?


Which of the following polymers, need atleast one diene monomer for their preparation?

(i) Dacron

(ii) Buna-S

(iii) Neoprene

(iv) Novolac


Name the polymers used in laminated sheets and give the name of monomeric units involved in its formation.


Phenol and formaldehyde undergo condensation to give a polymar (A) which on heating with formaldehyde gives a thermosetting polymer (B). Name the polymers. Write the reactions involved in the formation of (A). What is the structural difference between two polymers?


Which of the following products is formed when benzaldehyde is treated with CH3MgBr and the addition product so obtained is subjected to acid hydrolysis?


Which of the following polymer has ester linkage?


Which of the following polymer is used for manufacturing of buckets, dustbins, pipes, etc?


Identify the monomer used to prepare neoprene.


Which of the following is a polymer of enzyme?


Answer the following.

Name and draw structure of the repeating unit in natural rubber.


Answer the following.

Name and draw structure of the repeating unit in natural rubber.


Answer the following.

Write the structure of isoprene and the polymer obtained from it.


Name and draw the structure of the repeating unit in natural rubber.


Name and draw the structure of the repeating unit in natural rubber.


Write the structure of isoprene and the polymer obtained from it.


Write the preparation of viscose rayon.


Another name of terylene is ______.


Name and draw structure of the repeating unit in natural rubber.


Write the structure and name of monomer of Natural rubber.


Write the structure of isoprene and the polymer obtained from it.


Name and draw the structure of the repeating unit in natural rubber.


Write the structure of isoprene and the polymer obtained from it.


Name and draw structure of the repeating unit in natural rubber.


Write the structure of isoprene and the polymer obtained from it.


Name and draw structure of the repeating unit in natural rubber.


Write the structure of isoprene and the polymer obtained from it.


Write the structure of isoprene and the polymer obtained from it.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×