MCQ
Formula of ferrocene is :
  • A
    $[Fe(CN)_6]^{4-}$
  • B
    $[Fe(CN)_6]^{3+}$
  • C
    $[Fe(CO)_5]$
  • $[(C_5H_5)_2Fe]$

Answer

Correct option: D.
$[(C_5H_5)_2Fe]$
d
Ferrocene is an organometallic compound with the formula Fe 2 . The molecule consists of two cyclopentadienyl rings bound on opposite sides of a central iron atom. It is an orange solid with a camphor-like odor, that sublimes above room temperature, and is soluble in most organic solvents

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

Similar questions

Electrode potential of $Z{n^{2 + }}/Zn$ is $ - 0.76\,V$ and that of $C{u^{2 + }}/Cu$ is $ + 0.34V$. The EMF of the cell constructed between these two electrodes is ............ $\mathrm{V}$
The vapour pressure of pure water at $25\,^oC$ is $23.62\, mm$. What will be the vapour pressure of a solution of $1.5\, g$ urea in $50\, g$ water ? .......... $mm$
The molality of $15\% \,(w/V)$ solution of $H_2SO_4$ with density $1.1\, g/cm^3,$ is
Among the electrolytes $\mathrm{Na}_2 \mathrm{SO}_4, \mathrm{CaCl}_2, \mathrm{Al}_2\left(\mathrm{SO}_4\right)_3$ and $\mathrm{NH}_4 \mathrm{Cl}$, the most effective coagulating agent for $\mathrm{Sb}_2 \mathrm{~S}_3$ sol is
The product formed when glycerol reacts with $PCl_5$ is -
Match the metal column $I$ with the coordination compounds/enzymes column $II$
column $I$ Metals column $II$ Coordination compounds
$a.$ $Co$ $i.$ Wilkinson catalyst
$b.$ $Zn$ $ii.$ Chlorophyll
$c.$ $Rh$ $iii.$ Vitamin $B_{12}$
$d.$ $Mg$ $iv.$ Carbonic anhydrase
Major product ' $P$ ' formed in the following reaction is:-
Find product $V$ is

$\begin{array}{*{20}{c}}
  {C{H_3}\,\,\,} \\ 
  {|\,\,\,\,\,\,\,\,\,\,} \\ 
  {C{H_3} - CH - COOH} 
\end{array}$ $\xrightarrow[{{H_3}{O^ + }}]{{LiAl{H_4}}}$ $I\,\xrightarrow{{PB{r_3}}}II\,\xrightarrow[{ether}]{{Mg}}$ $III\,\xrightarrow{{C{O_2}}}IV\,\xrightarrow{{{H_2}{O^ + }/{H^ + }}}V$

Which of the following can be used in above reaction as a reagent ?
On treating a compound with warm dil. $H _{2} SO _{4}$, gas $X$ is evolved which turns $K _{2} Cr _{2} O _{7}$ paper acidified with dil. $H _{2} SO _{4}$ to a green compound $Y. X$ and $Y$ respectively are