MCQ
$1-$ Alkyne and $2-$ alkyne can be destinguished by
- ✓Tollen's reagent
- BBaeyer's regent
- C$Br_2 / CCl_4$
- DHydrogenation over $Ni$
✓
Answer
Correct option: A.
Tollen's reagent
a
${\text{R}} - {\text{C}} \equiv {\text{C}} - {\text{H}}$ $\xrightarrow{{{\text{A}}{{\text{g}}^ + }}}$ ${\text{R}} - \mathop {\text{C}}\limits^{\ddot \Theta } \equiv {\text{CA}}{{\text{g}}^ \oplus }$ [silver ppt]
${\text{R}} - {\text{C}} \equiv {\text{C}} - {\text{H}}$ $\xrightarrow{{{\text{A}}{{\text{g}}^ + }}}$ ${\text{R}} - \mathop {\text{C}}\limits^{\ddot \Theta } \equiv {\text{CA}}{{\text{g}}^ \oplus }$ [silver ppt]
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Blood sugar is the same as
Which of the following alkene cannot be prepared by de-amination of $n-Bu- NH_2$ with $NaNO_2/HCl$ ?
→In the given Cannizzzaro's reaction the slowest step is
→$2Ph - CHO\xrightarrow{{KOH}}Ph - C{H_2}OH + PhCO_2^ - $
In the given reaction,
→$[Figure]$ $\xrightarrow{{{H^ + }/H{g^{2 + }}}}A$
the product '$ A'$ is
$C{H_3} - C{H_2} - CH = O\,\xrightarrow[{(2)\,\,{H^ \oplus }}]{{(1)\,\,{\text{Tollen's reagent}}}}X$ $\,\xrightarrow[{(2)\,\,{\text{drydistillation}}}]{{(1)\,Ca{{(OH)}_2}}}\,Y$ ; $Y$ is
→The change in optical rotation with the time of freshly prepared solution of sugar is known as
Which compound gives the same product on electrolysis of fused metal salt and concentrated aqueous solution ?
Which of the following is in the increasing order of the ionic character
$Br_2 + 2X^-\to 2Br^-+ X_2$
→$Cl_2 + 2Y^-\to 2Cl^-+ Y_2$
The incorrect match regarding above reaction is
The important method for the fixation of nitrogen is