1.

Arrange the following monomers in order of decreasing ability of undergo cationic polymerisation. `(I)` `CH_(2)=CH-C_(6)H_(4)(NO_(2))` `(II)` `CH_(2)=CH-(C_(6)H_(4)(CH_(3))` `(III)` `CH_(2)=CH-C_(6)H_(4)(OCH_(3))`A. `IgtIIgtIII`B. `IIgtIgtIII`C. `IIIgtIIgtI`D. `IgtIIIgtII`

Answer» Correct Answer - C
More stable is carbocation more is ability to undergo cationic polymerisation.
`+I` and `+R` nature of `-OCR_(3)` stabilizes carbocation.


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