Synthetic Polymers

Q.

What are the monomeric repeating units of Nylon-6 and Nylon-6, 6?

Q.

Assertion (A) Most of the synthetic polymers are not biodegradable.

Reason (R) Polymerisation process induces toxic character in organic molecules.

(a) Assertion and Reason both are correct statement But reason does not explain Assertion.

(b) Assertion and Reason both are correct statement and Reason explains the Assertion.

(c) Both assertion and reason are wrong statements.

(d) Assertion is correct statement and Reason is wrong statement.

(e) Assertion is wrong statement and reason is correct statement.

Q.

Which of the following are example of synthetic rubber?

(a) Polychloroprene

(b) Polyacrylonitrile

(c) Buna-N

(d) cis-polyisoprene

Q.

Match the following:

List (i)	List (ii)
(i) Caprolactam	p>(a) Neoprene
(ii) Acrylonitrile	(b) Buna N
(iii) 2-chlorobuta-1, 3-diene	(c) Nylon – 6
(iv) 2-Methylbuta-1, 3-diene	(d) Natural rubber

1. (i) →(b), (ii) → (c), (iii) → (a), (iv) → (d)

2. (i) → (a), (ii) → (c), (iii) → (b), (iv) → (d)

3. (i) → (c), (ii) → (b), (iii) → (a), (iv) → (d)

4. (i) → (c), (ii) → (a), (iii) → (b), (iv) → (d)

Q. 3. How many resonating structure possible in phenol and why?

Q.

Trans-form of polyisoprene is

1. Guttapercha
2. Buna-N
3. Hydrochloride rubber
4. Synthetic rubber

Q. Hapticity of cycloheptatrienein Mo(C7H8)(CO)3is

Q. Rubber is a/an:

1. Conducting polymer
2. Thermosetting polymer
3. Elastomer
4. Strong commercially available fabric

Q. By which of the following reaction sequences can nylon-5 be prepared?

1. 
2. 
3. 
4. All of them

Q. Polymer used in bullet proof glass is:

1. lexan
2. nomex
3. PMMA
4. kevlar

Q. The polymer shown is a _____

1. Elastomer
2. Thermoplastic
3. Thermosetting plastic
4. None of the above

Q.

Is liquid polymer toxic?

Q. The polymer obtained when monomeric unit $(C{H}_2=C(Cl)-CH=C{H}_2)$ used is:

1. Neoprene
2. Poly β-hydroxybutyrate-co-β-hydroxy valerate (PHBV)
3. Styrene
4. Natural rubber

Q.

1. (a) – r; (b) - q; (c) - s; (d) - p

2. (a) – r; (b) - p; (c) - q; (d) - s

3. (a) – p; (b) - r; (c) - s; (d) - q

4. (a) – r; (b) - p; (c) - q; (d) - s

Q. Write free radical mechanism for polymerization of ethene

Q. Which of the following is not a semi-synthetic polymer?

1. Cis-Polyisoprene
2. Cellulose acetate
3. Cellulose nitrate
4. Vulcanized rubber

Q. Which category of the synthetic detergents is used in toothpaste?

Q. Assertion: Teflon has high thermal stability and chemical inertness.
Reason: Teflon is a thermoplastic. Choose the correct option:

1. Both Assertion and reason are true but reason is not the correct explanation of the assertion
2. Both Assertion and reason are true and reason is the correct explanation of the assertion
3. Both assertion and reason are false
4. Assertion is true and reason is false

Q. Match the following.

1. (a-r), (b-p), (c-t), (d-q), (e-s)
2. (a-s), (b-p), (c-t), (d-q), (e-r)
3. (a-r), (b-t), (c-p), (d-q), (e-s)
4. (a-r), (b-p), (c-t), (d-s), (e-q)

Q. Which names are associated with PMMA?

1. Melmac
2. Acrilan
3. Saran
4. Acrylite

Q.

What are the monomeric repeating units of Nylon-6 and Nylon-6, 6?

Q. Formulae Of Green Vitrol

Q. The natural rubber is the polymer of:

1. 1, 3-butadiene
2. polyamide
3. isoprene
4. none of the above

Q. Which of the following is used as a substitute of glass?

1. PMMA
2. Glyptal
3. Urea formaldehyde resin
4. All

Q. State, whether the following statements are True or False.
2-Chlorobutadiene is a monomer of synthetic rubber.

1. True
2. False

Q. Which is the monomer of Neoprene in the following?

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1. $C{H}_2=CH-C\equiv CH$
2. $C{H}_2=CH-CH=C{H}_2$
3. $C{H}_2=C\left(Cl\right)-CH=C{H}_2$
4. $C{H}_2=C\left(C{H}_3\right)-CH=C{H}_2$

Q. Fill in the banks.

Monomers	Polymers	Other important use
...............	PMMA	...............

Q. What are Alkali

Q. A: Polymethyl methacrylate is also known as plexi glass.
R: PMMA is used in decorative articles.

1. Both A and R are correct and R is the correct explanation of the A
2. A is incorrect but R is correct
3. A is correct but R is in correct
4. Both A and R are correct but R is not the correct explanation of the A

Q. By which of the following reaction sequences can nylon-5 be prepared?

1. 
2. 
3. 
4. All of them