Which one of the following is not used as an | vedclass

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(D) In ionic polymerisation,the chain initiation involves the formation of ions or ion pairs at the active center.$NaNH_2$ acts as an initiator for an

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$(C_6H_5CO)_2O_2$

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(D) In ionic polymerisation,the chain initiation involves the formation of ions or ion pairs at the active center.$NaNH_2$ acts as an initiator for anionic polymerisation,while $SnCl_2$ and $AlCl_3$ are Lewis acids that can act as initiators for cationic polymerisation.$(C_6H_5CO)_2O_2$ (benzoyl peroxide) is a covalent compound that undergoes homolytic cleavage to produce free radicals.Therefore,it is used as an initiator in free radical polymerisation,not in ionic polymerisation.

Which one of the following is not used as an initiator in ionic polymerisation?

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