MCQ
Ethylene reacts with bromine to form
- A$Br - C{H_2} - C{H_3}$
- B$C{H_3} - CB{r_3}$
- ✓$Br - C{H_2} - C{H_2}Br$
- D$CHB{r_3}$
✓
Answer
Correct option: C.
$Br - C{H_2} - C{H_2}Br$
c
Alkenes react in the cold with pure liquid bromine, or with a solution of bromine in an organic solvent like tetrachloromethane. The double bond breaks, and a bromine atom becomes attached to each carbon.... In the case of the reaction with ethene, $1,2$-dibromoethane is formed.
Alkenes react in the cold with pure liquid bromine, or with a solution of bromine in an organic solvent like tetrachloromethane. The double bond breaks, and a bromine atom becomes attached to each carbon.... In the case of the reaction with ethene, $1,2$-dibromoethane is formed.
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
If moving proton, dutron and alpha particle have same De-Broglie wave length then which is correct order of their kinetic energy
On the basis of the following thermochemical data : $(\Delta _fG^oH^+_{(aq)} = 0)$
→$H_2O(l) \rightarrow H^+(aq) + OH^-(aq)\,;\,\,\Delta H = 57.32\,kJ$
$H_2(g)+ \frac{1}{2} O_2(g) \rightarrow H_2O(l)\,;\,\, \Delta H=-286.20\,kJ$
The value of enthalpy of formation of $OH^-$ ion at $25\,^oC$ is : .............. $\mathrm{kJ}$
When $ 10 \,ml $ of $0.1\, M$ acetic acid $(p{K_a} = 5.0)$ is titrated against $10 \,ml$ of $0.1\,M $ ammonia solution $(p{K_b} = 5.0)$, the equivalence point occurs at $pH$
→$NH_2^-, NH_3$ and $NH_4^+$ do not show similarity in the following
→Kerosene is a mixture of
If enthalpies of methane and ethane are respectively $320$ and $360 $ calories then the bond energy of $C - C$ bond is......$calories$
→A solution is $500\, ml$ of $2\, M \,KOH$ is added to $500\, ml$ of $2\, M \,HCl$ and the mixture is well shaken.The rise in temperature $T_1$ is noted. The experiment is then repeated using $250\, ml$ of each solution and rise in temperature $T_2$ is again noted. Assume all heat is taken by the solution
→$Ph-CH = NO_2H \xrightarrow[{3days}]{{isomerises}}\mathop {(x)}\limits_{(50 - 50\% )}$ , Isomer $(x)$ is
→Given that bond energies of $H - H$ and $Cl - Cl$ are $430\ kJ\ mol^{-1}$ and $240\ kJ\ mol^{-1}$ respectively and $\Delta H_f$ for $HCl$ is $-90\ kJ\ mol^{-1},$ bond enthalpy of $HCl$ is ............... $\mathrm{kJ \,mol}^{-1}$
→At $373\, K$ steam and water are in equilibrium and $\Delta H = 39.2 \,kJ \,mol^{-1}$. What will be $\Delta S$ for conversion of $1$ $mole$ of water into steam ?
$H_2O(l) \to H_2O(g)$.......$J \,K^{-1} \,mol^{-1}$
→$H_2O(l) \to H_2O(g)$.......$J \,K^{-1} \,mol^{-1}$