D:-Poly 2- vinyl carbazole
Correct Answer:- Option-B

Question16:-Which polymerization technique often result low molecular weight
polymer?

A:-Bulk polymerization
B:-Emulsion polymerization
C:-Suspension polymerization
D:-Solution polymerization
Correct Answer:- Option-D

Question17:-Equal number of molecules with M1=1000 and M2=10000 are mixed.
The weight average of the resulting polymer will be

A:-9182 g moi"!
B:-8970 g mo
C:-9899 g moi!
D:-9656 g moi
Correct Answer:- Option-A

Question18:-Which of the following is correct about GPC

(i) Polymer molecules are separated according to their size

(ii) It is a primary method for the determination of molecular weight
(iii) It is used for the determination of Mn and Mw

(iv) It is used for the determination of MWD

A:-(i), (ii) and (iii)
B:-(i), (iii) and (iv)
C:-(ii), (iii) and (iv)
D:-All of the above
Correct Answer:- Option-B
Question19:-Which of the following bonds posses highest bond energy?
A:-C-C
B:-B-O
C:-SI-O
D:-SI-N
Correct Answer:- Option-B
Question20:-lonic polymers are used for heterogeneous catalysis because of its
property
A:-lonic cross-linking
B:-lon-exchange capability
C:-Hydrophilicity
D:-All of these