Download App

9. Hydricarbon — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistry9. Hydricarbon1 Mark
MCQ
Ethylene is prepared by the dehydration of
  • ✓
    Ethyl alcohol
  • B
    Methyl alcohol
  • C
    Acetic acid
  • D
    Oxalic acid
✓

Answer

Correct option: A.
Ethyl alcohol
a
(a) $C{{H}_{3}}-C{{H}_{2}}-OH\underset{\text{Dehydration}}{\mathop{\xrightarrow{\text{Conc}\text{. }{{H}_{2}}S{{O}_{4}}}}}\,C{{H}_{2}}=C{{H}_{2}}+{{H}_{2}}O$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from 9. Hydricarbon→9. Hydricarbon — all question types→Chemistry STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

For the reaction $2Al + 3MnO\xrightarrow{\Delta }A{l_2}{O_3} + Mn;$ If $108\,g$ of $Al$ and $213\,g$ of $MnO$ are heated then which of the following is incorrect?
→
The attacking (electrophilic) species in sulphonation of benzene is
→
For an ideal solution containing two liquid components $A$ and $B,$ the Gibbs free energy of mixing is minimum, when the molar ratio of the liquids is :
→
$2-$ Bromopentane is heated with $\mathrm{EtO}^{-} \mathrm{Na}^{+}$ in ethanol. The major product obtained is:
→
Which of the following compounds would you expect to be strongest carbon acid ?
→
Which of the following would have same magnetic nature whether $sp$ mixing is operative or not?
→
Out of the following fractions of petroleum, the one having the lowest boiling point is or Which of the following is obtained at lowest temperature by fractional distillation of petroleum
→
Silver ions are added to a solution with

$[Br^-] = [Cl^-] = [CO_3^{2-} ] = [AsO_4^{3-}] = 0.1\,M$.
Which compound will precipitate with lowest $[Ag^+]$ ?

→
$\Delta H^o_f$ of water is $-285.5\, kJ\, mol^{-1}$. if enthalpy of neutralisation of monoacidic strong base is $-57.3\, kJ\, mol^{-1}$, $\Delta H_f^o$ of $OH^-$ ion will be.....$kJ\, mol^{-1}$
→
The total number of electrons that can be accommodated in all the orbitals having principal quantum number $2$  and azimuthal quantum number $1$ is
→