MCQ
Which of the following has acidic hydrogen
- ✓Ethyne
- BEthene
- CEthane
- DBenzene
✓
Answer
Correct option: A.
Ethyne
a
(a) $2CH \equiv CH + 2Na \to 2CH \equiv {C^ - }N{a^ + } + {H_2}$
(a) $2CH \equiv CH + 2Na \to 2CH \equiv {C^ - }N{a^ + } + {H_2}$
Reaction with sodium metal shows that hydrogen is acidic.
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
Choose the correct answer. A thermodynamic state function is a quantity
State the electronic configuration for Helium [p = 2, n = 2].
Ratio of velocities of ${e^\Theta }$ of hydrogen atom in $1^{st}\,,\, 2^{nd}\,,\, 3^{rd}$ orbit is
→Which of the following reaction is expected never to be spontaneous
A $20.0 \,mL$ solution containing $0.2 \,g$ impure $H _{2} O _{2}$ reacts completely with $0.316 \,g$ of $KMnO _{4}$ in acid solution. The purity of $H _{2} O _{2}($ in $\%)$ is........... (mol. wt. of $H _{2} O _{2}=34 ;$ mol. wt. of $\left. KMnO _{4}=158\right)$
→Minimum energy required for homolytic bond fission of $'C-H'$ bond in
→The equilibrium 2SO2(g) + O2(g) ⇌ 2SO3(g) shifts forward if:
Linear combination of two hybridised orbitals belonging to two atoms and each having one electron leads to the formation of:
Write the $IUPAC$ name of $C{H_3}C{H_2}COOH$
→How many of given compounds show Tautomerism
