Polymers is an important topic in the Chemistry section in WBJEE exam. Practising this topic will increase your score overall and make your conceptual grip on WBJEE exam stronger.
This article gives you a full set of WBJEE PYQs for Polymers with explanations for effective preparation. Practice of WBJEE Chemistry PYQs including Polymers questions regularly will improve accuracy, speed, and confidence in the WBJEE 2026 exam.
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WBJEE PYQs for Polymers with Solutions
1.
Consider the reaction 2A + B →products, when the concentration of A alone was doubled, the half-life of the reaction did not change. When the concentration of B alone was doubled, the rate was not altered. The unit of rate constant for this reaction is- (A) s − 1
- (B) L mol − 1 s − 1
- (C) mol L − 1 s − 1
- (D) mol − 2 L5 s − 1
2.
The monomer used to produce orlon is- $CH_{2} =CHF$
- $CH_{2} =C Cl_{2}$
- $CH_{2} =C H Cl$
- $CH_{2} =CH -CN$
3.
Out of the 20 amino acids, only two of them contain sulfur. Those two amino acids are:- (A) Cysteine and alanine
- (B) Alanine and methionine
- (C) Methionine and tyrosine
- (D) Methionine and cysteine
4.
When a substance A reacts with H2O, it produces a combustible gas B and solution of C in water. When another substance D reacts with this solution of C, it produces the same gas B on warming. But D can produce the same gas B on reaction with dil. H2SO4 at room temperature. A imparts golden yellow colour to Bunsen flame. A, B, C and D respectively are- (A) CaC2, C2H2, Ca(OH)2 and Fe
- (B) Ca, H2, Ca (OH)2 and Sn
- (C) K, H2, KOH and Al
- (D) Na, H2, NaOH and Zn
5.
A certain reaction proceeds in a sequence of three elementary steps with rate constants k1, k2 and k3. If the observed rate constant, Kobs, of the reaction is expressed as Kobs = K3 [K1/K2]1/2, then what is the observed energy of activation of the reaction?- (A)
- (B)
- (C)
- (D)
6.
Which one of the following is a condensation polymer?- Dacron
- PVC
- Polystyrene
- Teflon
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