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9. Hydricarbon — Chemistry STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceChemistry9. Hydricarbon1 Mark
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 $Al_2O_3.$

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