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Which equation best represents catalytic cracking of a petroleum fraction? (A) C_{16}H_{34}(l) \xrightarrow{Al_2O_3} C_{16}H_{34}(g) (B) nC_{2}H_{n}(g) \rightleftharpoons \text{-CH}_2\text{-CH}_2\cdots (C) C_{16}H_{34}(l) \xrightarrow{Al_2O_3} C_{n}H_{m}(g) + 3C_{3}H_{8}(g) + C_{x}H_{y}(g) (D) C_{n}H_{m}(l) + 3C_{3}H_{8}(g) + C_{16}H_{34}(g) \xrightarrow{Al_2O_3} C_{16}H_{34}(l) - HSC - SSCE Chemistry - Question 3 - 2001 - Paper 1
Question 3
Which equation best represents catalytic cracking of a petroleum fraction? (A) C_{16}H_{34}(l) \xrightarrow{Al_2O_3} C_{16}H_{34}(g) (B) nC_{2}H_{n}(g) \rightleft... show full transcript
Worked Solution & Example Answer:Which equation best represents catalytic cracking of a petroleum fraction? (A) C_{16}H_{34}(l) \xrightarrow{Al_2O_3} C_{16}H_{34}(g) (B) nC_{2}H_{n}(g) \rightleftharpoons \text{-CH}_2\text{-CH}_2\cdots (C) C_{16}H_{34}(l) \xrightarrow{Al_2O_3} C_{n}H_{m}(g) + 3C_{3}H_{8}(g) + C_{x}H_{y}(g) (D) C_{n}H_{m}(l) + 3C_{3}H_{8}(g) + C_{16}H_{34}(g) \xrightarrow{Al_2O_3} C_{16}H_{34}(l) - HSC - SSCE Chemistry - Question 3 - 2001 - Paper 1
Step 1
Which equation best represents catalytic cracking of a petroleum fraction?
Answer
The correct option is (C). Catalytic cracking is a process where larger hydrocarbon molecules are broken down into smaller, more useful hydrocarbons. Option (C) shows the breakdown of C_{16}H_{34} into smaller alkane products while being in the presence of a catalyst, represented by Al_2O_3.