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Chemical Technology
Organic Chemical Industries
GATE 2014
Medium

Match the raw materials of Groups 1 and 2 with the final products of Group 3. Group 1: P1-Ethylene, P2-Propylene, P3-Adipic acid, P4-Terephthalic acid. Group 2: Q1-Ammonia, Q2-1-Butene, Q3-Ethylene glycol, Q4-Hexamethylene diamine. Group 3: R1-Synthetic fibre, R2-Nylon 66, R3-LLDPE, R4-Acrylonitrile.

  • P1+Q2→R3; P2+Q1→R4; P3+Q4→R2; P4+Q3→R1
  • BP1+Q1→R3; P2+Q3→R1; P3+Q4→R4; P4+Q2→R2
  • CP1+Q2→R2; P2+Q3→R1; P3+Q4→R3; P4+Q1→R4
  • DP1+Q1→R4; P2+Q2→R3; P3+Q4→R2; P4+Q3→R1

Explanation

Ethylene copolymerized with 1-butene gives LLDPE (P1+Q2→R3). Propylene ammoxidized with ammonia gives acrylonitrile (P2+Q1→R4). Adipic acid condensed with hexamethylene diamine gives Nylon 66 (P3+Q4→R2). Terephthalic acid esterified with ethylene glycol gives polyester (synthetic fibre) (P4+Q3→R1).

Source: GATE CH 2014 (2014)

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