MCQ
$2-$ Butyne react with $Na$ in liquid Ammonia to form
- A$1-$ butene
- B$Cis$ $-2-$ butene
- ✓trans $-2-$ butene
- D$n-$ butane
✓
Answer
Correct option: C.
trans $-2-$ butene
c
When but- $2-$ yne is treated with Na in liquid ammonia, addition of two $\mathrm{H}-$ atoms takes place at the triple bonded carbon atoms in trans manner.
When but- $2-$ yne is treated with Na in liquid ammonia, addition of two $\mathrm{H}-$ atoms takes place at the triple bonded carbon atoms in trans manner.
$\begin{aligned}\mathrm{CH}_{3} \mathrm{C} \equiv \mathrm{CCH}_{3} \frac{\mathrm{Na}}{\mathrm{Liq.NH}_{3}} \mathrm{CH}_{3}-\mathrm{C}=& \mathrm{C}-\mathrm{CH}_{3} \\& \mathrm{H}\end{aligned}$
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
Which of the following is correct for Humphrey lines of hydrogen spectrum?
Which of the following occurs, when two hydrogen atoms bond with each other
Number of $\sigma $ and $\pi $ bonds present in $CH_3 - CH =CH - C \equiv CH$ are
→In which of the following compounds the oxidation number of carbon is maximum
$\dot{ Cl }+ CH _{4} \rightarrow A + B$
→$A$ and $B$ in the above atmospheric reaction step are.
The predominant intermolecular forces present in ethyl acetate, a liquid, are
The $IUPAC$ name of compound
→The addition of $HBr$ is easiest with
→The dissociation of water at ${25\,^o}C $ is $1.9 \times {10^{ - 7}}\% $ and the density of water is $1.0\,g/c{m^3}.$ The ionisation constant of water is
→Beryllium shows diagonal relationship with aluminium. Which of the following similarity is incorrect?