Question:
Which one of the following is produced by catalytic reforming of straight run gasoline and naphtha?
Which one of the following is produced by catalytic reforming of straight run gasoline and naphtha?
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Catalytic reforming converts low-octane naphthenes and paraffins in naphtha into aromatics and branched paraffins, raising the octane number of the naphtha-range liquid and producing high-octane reformate.
Updated On: Jul 17, 2026
- diesel oil
- furnace oil
- high octane gasoline
- kerosene
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Verified By Collegedunia
The Correct Option is C
Solution and Explanation
Step 1: Recall the purpose of catalytic reforming.
Straight-run gasoline and naphtha are rich in low-octane straight-chain paraffins and naphthenes. Catalytic reforming, using a platinum or platinum-rhenium catalyst, upgrades this feedstock into a high-octane product suitable for gasoline blending.
Step 2: Key reactions.
Dehydrogenation of naphthenes to aromatics, dehydrocyclization of paraffins to aromatics, isomerization of normal to branched paraffins, and mild hydrocracking, releasing hydrogen as byproduct.
Step 3: Identify the main product.
The liquid product, reformate, is rich in aromatics and branched paraffins with an octane number typically 95 to 102 RON, used as a premium gasoline blending stock.
Step 4: Eliminate other options.
Diesel oil, kerosene, and furnace oil are heavier fractions unrelated to naphtha reforming, which only processes light naphtha and gasoline-range feedstock.
\[ \boxed{\text{Catalytic reforming of naphtha and straight-run gasoline} \rightarrow \text{High octane gasoline (reformate)} \Rightarrow \text{Option (C)}} \]Was this answer helpful?
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