MCQ
$CH \equiv CH\mathop {\xrightarrow{{Ni{{(CN)}_2}}}X}\limits_{{\text{Pressure}}} $ Here $X$ in the reaction
  • A
    Benzene
  • B
    Ethane
  • Cycloctatetraene
  • D
    Cyclohexane

Answer

Correct option: C.
Cycloctatetraene
c
(c) $4\,CH \equiv CH\mathop {\xrightarrow{{Ni{{(CN)}_2}}}}\limits_{\Pr essure} $

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

The ratio of sigma and $\pi$ bonds present in pyrophosphoric acid is  $......$.
The first order rate constant for the decomposition of ${N_2}{O_5}$ is $6.2 \times {10^{ - 4}}\,{\sec ^{ - 1}}$. The half life period for this decomposition in seconds is
$A\,\xrightarrow{{A{g_2}O}}$ ppt

$A\,\xrightarrow{{H{g^{2 + }}\,/\,{H^ + }}}B\,\xrightarrow{{NaB{H_4}}}C\,\xrightarrow[{conc.\,\,HCl}]{{ZnC{l_2}}}$  Turbidity within $5$ minutes.

Consider the following reactions $‘A’$ is

When isobutane is treated with $Cl_2$ in sunlight, then major product is
Identify the correct set of reagents or reaction conditions ' $\mathrm{X}$ ' and ' $\mathrm{Y}$ ' in the following set of transformation.
$R-COOH$ $\xrightarrow{{\operatorname {Reagent}}}$ $R-CH_2-OH$

suitable reagent for the above conversion is

The major product of the given reaction is

 $[Figure]$ $\xrightarrow[{(ii)\,{H_2}S{O_4}\,,\,heat}]{{(i)\,OHCC{H_2}COCl}}$

The solubility products of $Al(OH)_3$ and $Zn(OH)_2$ are $8.5 \times 10^{-23}$ and $1.8 \times 10^{-14}$ at room temperature. If the solution contains $Al^{3+}$ and $Zn^{2+}$ ions, the ion first precipitated by adding $NH_4OH$ is
$\begin{matrix}
   O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
   ||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
   Ph-C-C{{H}_{3}}\xrightarrow[HCl]{NaN{{O}_{2}}}(A)\xrightarrow[heat]{A{{C}_{2}}O}(B)\xrightarrow{{{H}_{3}}{{O}^{+}}}(C)  \\
\end{matrix}$

Product $(C)$ of the above reaction is

The suitable expression for the equilibrium constant of the reaction $2N{O_{(g)}} + C{l_{2(g)}}$ $\rightleftharpoons$ $2NOC{l_{(g)}}$ is