MCQ
$n-$ hexane $\xrightarrow{{catalyst}}$ benzene
catalyst is
- A$AlCl_3$
- B$SiO_2-Al_2O_3$
- ✓$Cr_2O_3-Al_2O_3$
- D$MnO_2$
✓
Answer
Correct option: C.
$Cr_2O_3-Al_2O_3$
c
reaction is aromatisation and takes place in presence of oxides of $Cr,MO$ or $V$ in presence of $Al_2O_3.$
reaction is aromatisation and takes place in presence of oxides of $Cr,MO$ or $V$ in presence of $Al_2O_3.$
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
The radii of $F, F^-, O$ and $O^{2-}$ are in the order of :-
→Given below are two statements:
→Statement $I :$ A mixture of chloroform and aniline can be separated by simple distillation.
Statement $II :$ When separating aniline from a mixture of aniline and water by steam distillation aniline boils below its boiling point. In the light of the above statements, choose the most appropriate answer from the options given below.
Among $TiF^{2-}_6 ,CoF^{3-}_6 ,Cu_2Cl_2$ and $NiCl^{2-}_4$ the colourless species are
→The reaction of $Q$ with $PhSNa$ yields an organic compound (major product) that gives positive Carius test on treatment with $Na _2 O _2$ followed by addition of $BaCl _2$. The correct option(s) for $Q$ is (are).
→The correct order of reactivity in electrophilic substitution reaction of the following compounds is :
Which one of the following is highest melting halide
A $50\, watt$ bulb emits monochromatic red light of wavelength of $795\, \mathrm{~nm}$. The number of photons emitted per second by the bulb is $\mathrm{x} \times 10^{20}$. The value of $\mathrm{x}$ is ...... .
→$\left[\right.$ Given $: \mathrm{h}=6.63 \times 10^{-34} \,\mathrm{Js}$ and $\left.\mathrm{c}=3.0 \times 10^{8} \,\mathrm{~ms}^{-1}\right]$
Clemmensen's reduction will convert cyclohexanone into
The number of following statement/s which is/are incorrect is
→$(A)$ Line emission spectra are used to study the electronic structure
$(B)$ The emission spectra of atoms in the gas phase show a continuous spread of wavelength from red to violet
$(C)$ An absorption spectrum is like the photographic negative of an emission spectrum
$(D)$ The element helium was discovered in the sun by spectroscopic method
In $ICl_4^{\circleddash}$, the shape is square planar. The number of bond pair-lone pair repulsion at $90^o$ are
→