MCQ
$Ph - C \equiv C - C{H_3}\xrightarrow{{H{g^{2 + }}/{H^ + }}}A$, $A$ is

  • B

  • C

  • D

Answer

Correct option: A.

a
$\begin{array}{*{20}{c}}
  {{C_6}{H_5} - C = CH - C{H_3}} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {OH\,\,\,\,\,\,\,\,\,} 
\end{array}$ $\begin{array}{*{20}{c}}
  {{C_6}{H_5} - C - C{H_2} - C{H_3}} \\ 
  {||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {O\,\,\,\,\,\,\,\,\,\,\,\,\,\,} 
\end{array}$

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

Similar questions

The species having bond order different from that in $CO$  is
When light of wavelength $248\, nm$ falls on a metal of threshold energy $3.0 \,eV$, the de-Broglie wavelength of emitted electrons is ............. $\mathring A$

(Round off to the Nearest Integer).

[Use : $\sqrt{3}=1.73, h =6.63 \times 10^{-34} Js$ $m _{ e }=9.1 \times 10^{-31} kg ; c =3.0 \times 10^{8} ms ^{-1}$ $\left.1 eV =1.6 \times 10^{-19} J \right]$

The moles of $Ag^+$ which must be added to decrease the concentration of $Cl^-$ from $4 × 10^{-5}$ $M$ to $10^{-5}\,M$ in $100$ $ml$ solution, if $K_{sp}$ for $AgCl$ is $10^{-10}\,M^2$ at $25\,^oC$
Amongst the following statements, that which was not proposed by Dalton was
What happens when too much of sodium is in your diet?
The values of $K_{sp}$ of $CaCO_3$ and $CaC_2O_4$ are $4.7 \times 10^{-9}$ and $1.3 \times 10^{-9}$ respectively at $25\,^oC.$ If the mixture of these two is washed with water, what is the concentration of $Ca^{2+}$ ions in water ..............$ \times 10^{-5}\, M$?
Aluminium is obtained by
A sample of $NaClO_3$ is converted by heat to $NaCl$ with a loss of $0.16\, g$ of oxygen. The residue is dissolved in water and precipitated as $AgCl$. The mass of $AgCl$ (in $g$) obtained will be (Given: Molar mass of $AgCl = 143.5\, g\,mol^{-1}$ )
The correct statement $(s)$ about the compound given below is $(are)$ $Image$

$(A)$ The compound is optically active

$(B)$ The compound possesses centre of symmetry

$(C)$ The compound possesses plane of symmetry

$(D)$ The compound possesses axis of symmetry

Which of the following has highest octane number