which class question please tell me
Because it may react.
Why should one always use the purest monomer in free radical polymerization? Monomer has to be as pure as possible because the presence of any other molecule during free radical polymerization can act chain initiator or inhibitor which will interfere with the normal polymerization reaction.
a)benzoyl peroxide is correct
d) is the correct answer
d). is correct answer confirm 100%
The Ziegler-Natta (ZN) catalyst, named after two chemists: Karl Ziegler and Giulio Natta, is a powerful tool to polymerize α-olefins with high linearity and stereoselectivity (Figure 1). A typical ZN catalyst system usually contains two parts: a transition metal (Group IV metals, like Ti, Zr, Hf) compound and an organoaluminum compound (co-catalyst). The common examples of ZN catalyst systems include TiCl4 + Et3Al and TiCl3 + AlEt2Cl.
Ziegler-Natta polymerization is a method of vinyl polymerization. It's important because it allows one to make polymers of specific tacticity. ... Ziegler-Natta catalysis is especially useful, because it can make polymers that can't be made any other way, such as linear unbranched polyethylene and isotactic polypropylene.
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The initiator may be an cation,anion or free radical.So the type of polymerization in which free radical is used as an initiator is known as free radical additionpolymerization. The commonfree radical initiator used is benzoyl chloride.
it is beacuse the sugar had occupied wieght and has occupied space
well ask some one else
may be can answer your question