Download App

STD 12 - 5. Co-ordination chemistry — NEET STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 12 - 5. Co-ordination chemistry4 Marks
MCQ
Zeigler - Natta catalyst is used for which type of reaction
  • A
    Hydrogenation
  • B
    Polymerization
  • C
    Oxidation
  • ✓
    Reduction
✓

Answer

Correct option: D.
Reduction
d
$n{\mkern 1mu} C{H_3} - CH = C{H_2}\mathop {\xrightarrow{{TiCl_4^ + }}}\limits_{{{({C_2}{H_5})}_3}Al} {\mkern 1mu} $  $\begin{array}{*{20}{c}}
  {{{\rlap{-} (C{H_3} - C{H_2}\rlap{-} )}_n}} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} 
\end{array}$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

NEET STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

In a $S_{N^{2}}$ substitution reaction of the type

$R-Br + Cl^- \xrightarrow{{DMF}} R-Cl + Br^-$

which one of the following has the highest relative rate?

→
Which is not correct
→
A solution of sodium sulphate in water is electrolysed using platinum electrodes. The products at cathode and anode are respectively
→
$ \mathrm{Ag}^{+}+\mathrm{NH}_3 \rightleftharpoons\left[\mathrm{Ag}\left(\mathrm{NH}_3\right)^{+}\right] ; \mathrm{k}_1=3.5 \times 10^{-3} $

$ {\left[\mathrm{Ag}\left(\mathrm{NH}_3\right)\right]^{+}+\mathrm{NH}_3 \rightleftharpoons\left[\mathrm{Ag}\left(\mathrm{NH}_3\right)_2\right]^{+} ; \mathrm{k}_2=1.7 \times 10^{-3}}$

then the formation constant of $\left[\mathrm{Ag}\left(\mathrm{NH}_3\right)_2\right]^{+}$is

→
Pentavalency in phosphorus is more stable when compared to that of nitrogen even through they belong to same group is due to
→
In which compound chromium has $ + \,6$ oxidation state
→
Two isomers $(A)$ and $(B)$ with Molar mass $184\,g / mol$ and elemental composition $C , 52.2\, \%; H, 4.9\, \%$ and $Br\, 42.9\, \%$ gave benzoic acid and $p -$ bromobenzoic acid, respectively on oxidation with $KMnO _{4}$. Isomer $'A'$ is optically active and gives a pale yellow precipitate when warmed with alcoholic $AgNO _{3}$. Isomer $'A'$ and $'B'$ are, respectively .... .
→
An atom has the electronic configuration of $1{s^2},2{s^2}2{p^6}$, $3{s^2}3{p^6}3{d^{10}},4{s^2}4{p^5}$. Its atomic weight is $ 80.$  Its atomic number and the number of neutrons in its nucleus shall be
→
Which pair of compounds does not represent same homologous series ?
→
Which of the following is chiral?
→