| Arrange the following monomers in order of decreasing ability to undergo cationic polymerisation. |
| (I) \[C{{H}_{2}}=CH-{{C}_{6}}{{H}_{4}}(N{{O}_{2}})\] |
| (II) \[C{{H}_{2}}=CH-{{C}_{6}}{{H}_{4}}(C{{H}_{3}})\] |
| (III) \[C{{H}_{2}}=CH-{{C}_{6}}{{H}_{4}}(OC{{H}_{3}})\] |
A) I > II > III
B) II > I > III
C) III > II > I
D) I > III > II
Correct Answer: C
Solution :
[c] More stable is carbocation more is ability to undergo cationic polymerization. +I and +R nature of \[-OC{{H}_{3}}\] stabilizes carbocation.
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