The incorrect statement about LDP is:
(a) It is obtained through the free radical addition of ethene.
(b) It consists of linear molecules.
(c) It is obtained by the H-atom abstraction.
(d) Peroxide is used as an initiator.
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Answer:
(d) Peroxide is used as an initiator.
Explanation:
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Statement (b) is incorrect
Explanation:
The low density polythene (LDP) is obtained through the free radical addition of eth-ene and by H-atom abstraction.
Polymerization of Ethene is done under high pressure and temperature to obtain the LDP.
It is obtained in the presence of di-oxygen or a peroxide initiator (catalyst).
It consists of branched structure of molecules hence have low density.
∴ The statement (b) is incorrect in case of LDP
Linear molecules are associated with HDP (high density polythene).
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