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प्रश्न
Write the molecular formula and structural formula of BHA and BHT.
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उत्तर
M.F. of BHA :C11H16O2

M.F. of BHT:C15H24O

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संबंधित प्रश्न
How are polythene and neoprene prepared?
Which of the following is a natural polymer ? Buna-S, Proteins, PVC
Write the free radical mechanism for the polymerisation of ethene.
Write chemical reaction to prepare the Dextron polymer:
Dextron
Which of the following statements is not true about low-density polythene?
Out of chain growth polymerisation and step growth polymerisation, in which type will you place the following.

Why should the monomers used in addition polymerisation through free radical pathway be very pure?
Match the polymers given in Column I with their chemical names given in Column II.
| Column I | Column II |
| (i) Nylon 6 | (a) Polyvinyl chloride |
| (ii) PVC | (b) Polyacrylonitrile |
| (iii) Acrilan | (c) Polycaprolactum |
| (iv) Natural rubber | (d) Low-density polythene |
| (v) LDP | (e) cis-polyisoprene |
Match the polymers given in Column I with the preferred mode of polymerisation followed by their monomers.
| Column I | Column II |
| (i) Nylon-6,6 | (a) Free radical polymerisation |
| (ii) PVC | (b) Ziegler-Natta polymerisation or coordination polymerisation |
| (iii) HDP | (c) Anionic polymerisation |
| (d) Condensation polymerisation |
Low density polythene and high density polythene, both are polymers of ethene but there is marked difference in their properties. Explain.
By which reaction ethene is obtained from ethyne?
Which one of the following can be used as monomer in a polymerisation reaction?
The Ziegler Natta catalyst are
Which of the following is chain-growth polymer?
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\[\ce{X + C + Cl2 ->[High temperature][of about 1000 K] Y + CO}\];
\[\ce{Y + 2H2O -> Z + 2HCl}\]
Compound Y is found in polymeric chain structure and is an electron-deficient Molecule. Y must be:
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