MCQ
Ethyl bromide gives ethylene when reacted with
- AEthyl alcohol
- BDilute ${H_2}S{O_4}$
- CAqueous $KOH$
- ✓Alcoholic $KOH$
✓
Answer
Correct option: D.
Alcoholic $KOH$
d
(d) $C{H_3} - C{H_2} - Br + \mathop {KOH}\limits_{{\rm{(alc)}}} \to \mathop {C{H_2} = C{H_2}}\limits_{{\rm{Ethene}}} + KBr + {H_2}O$
(d) $C{H_3} - C{H_2} - Br + \mathop {KOH}\limits_{{\rm{(alc)}}} \to \mathop {C{H_2} = C{H_2}}\limits_{{\rm{Ethene}}} + KBr + {H_2}O$
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
Correct order of $K_a$ value
→$0.25\, g$ of an organic compound containing chlorine gave $0.40\, g$ of silver chloride in Carius estimation. The percentage of chlorine present in the compound is $.....$ [in nearest integer]
→(Given: Molar mass of $Ag$ is $108\, g \,mol ^{-1}$ and that of $Cl$ is $35.5 \,g\, mol ^{-1}$ )
Liquid $A$ and $B$ form an ideal solution. The vapour pressure of pure liquids A and B are 350 and 750 mm Hg respectively at the same temperature. If $\mathrm{x}_{\mathrm{A}}$ and $x_{B}$ are the mole fraction of $A$ and $B$ in solution while $y_{A}$ and $y_{B}$ are the mole fraction of $A$ and $B$ in vapour phase then :
→Five valence electrons of $P^{15}$ are labelled as $\mathop {\boxed{AB}}\limits_{3s} \,\mathop {\boxed{X|Y|Z}}\limits_{3p} $ If the spin quantum numbers of $B$ and $Z$ is $ + \frac{1}{2}$ , the group of electron with three of the quantum number $(n, l, m)$ same are
→Aldol condensation is a popular and classical method to prepare $\alpha, \beta$-unsaturated carbonyl compounds. This reaction can be both intermolecular and intramolecular. Predict which one of the following is not a product of intramolecular aldol condensation?
→What is the maximum number of open chain structures possible for ${C_4}{H_8}$
→Total number of moles for the reaction $2HI\,\,$ $\rightleftharpoons$ $ {H_2} + {I_2}.$ if $\alpha $ is degree of dissociation is
→For the equilibrium ${N_2} + 3{H_2}$ $\rightleftharpoons$ $2N{H_3},{K_c}$ at $1000\,K$ is $2.37 \times {10^{ - 3}}$. If at equilibrium $[{N_2}] = 2\,M,\,[{H_2}] = 3\,M$, the concentration of $N{H_3}$ is
→$C$ is ?
→Which one of the following is expected to have largest size