MHT CET · Chemistry · Polymers
Identify catalyst used in manufacturing of HDP.
- A Zieglar - Natta
- B Peroxides
- C Lindlar's
- D Magnesium oxide
Answer & Solution
Correct Answer
(A) Zieglar - Natta
Step-by-step Solution
Detailed explanation
HDP means high density polyethylene. It is a linear polymer with high density due to close packing.
HDP is obtained by polymerization of ethane in presence of Zieglar-Natta catalyst which is a combination of triethyl aluminium with titanium tetrachloride at a temperature of \(333 \mathrm{~K}\) to \(343 \mathrm{~K}\) and a pressure of 6-7 \(\mathrm{atm}\).
HDP is obtained by polymerization of ethane in presence of Zieglar-Natta catalyst which is a combination of triethyl aluminium with titanium tetrachloride at a temperature of \(333 \mathrm{~K}\) to \(343 \mathrm{~K}\) and a pressure of 6-7 \(\mathrm{atm}\).
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from Chemistry
- Which element from following has completely filled f-orbital in observed and expected electronic configuration?MHT CET 2024 Medium
- Calculate the number of unit cells in \(1 \mathrm{~cm}^3\) volume of an element if unit cell edge length is \(4.0 \times 10^{-8} \mathrm{~cm}\).MHT CET 2025 Easy
- Which element from following has largest ionic size in +3 state ?MHT CET 2025 Medium
- For a reaction \(\mathrm{A}+\mathrm{B} \rightarrow\) products \(\Delta \mathrm{H}\) is \(-84.2 \mathrm{~kJ}\) and \(\Delta \mathrm{S}\) is \(-200 \mathrm{~J} \mathrm{~K}^{-1}\). Calculate the highest value of temperature so that the reaction will proceed in forward direction.MHT CET 2023 Medium
- Identify the INVALID equation.MHT CET 2017 Medium
- What is change in oxidation number of nitrogen when \(\mathrm{NO}_3^{-}\)is converted to \(\mathrm{NH}_4^{+}\)ion?MHT CET 2024 Easy
More PYQs from MHT CET
- Which of the following statements is CORRECT with reference to nephron?MHT CET 2019 Hard
- An e.m.f. \(\mathrm{E}=\mathrm{E}_{0} \sin \omega \mathrm{t}\) is applied to a circuit containing 'L' and 'R' in series. If \(X_{L}=R\), then the power dissipated in the circuit isMHT CET 2020 Easy
- If \(A\) and \(B\) are the foot of the perpendicular drawn from the point \(\mathrm{Q}(\mathrm{a}, \mathrm{b}, \mathrm{c})\) to the planes \(\mathrm{YZ}\) and \(\mathrm{ZX}\) respectively, then the equation of the plane through the points \(\mathrm{A}, \mathrm{B}\), and \(\mathrm{O}\) is (where \(\mathrm{O}\) is the origin)MHT CET 2021 Medium
- The solution set of \(8 \cos ^2 \theta+14 \cos \theta+5=0\), in the interval \([0,2 \pi]\), isMHT CET 2023 Medium
- The solution of the differential equation \(\mathrm{e}^{-x}(y+1) \mathrm{d} y+\left(\cos ^2 x-\sin 2 x\right) y \mathrm{~d} x=0\) at \(x=0\), \(y=1\) isMHT CET 2023 Medium
- When the distance separations between the slit and screen is doubled, the angular separation between the fringes in slit diffraction experiment.MHT CET 2022 Easy