Chemical Technology GATE-2020

Q 1: Which one of the following is NOT CORRECT?

A) nylon-6,6 is produced by condensation polymerization
B) phenol-formaldehyde resin is a thermosetting polymer
C) high-density polyethylene (HDPE) is produced by condensation polymerization
D) Poly (ethylene terephthalate) (PET) is a polyester

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Q 2: The operating temperature range for the Haber process is 350-500°C. It is used for the production of ammonia at

A) 20 MPa using zeolite catalyst in an endothermic reaction
B) 0.1 MPa using Fe catalyst in an exothermic reaction
C) 20 MPa using Fe catalyst in an exothermic reaction
D) 20 MPa using zeolite catalyst in an endothermic reaction

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Q 3: Consider the refinery processes in Group 1 and the catalysts in Group 2

Group -1	Group -2
P: Hydrodesulfurization	I: Zeolites
Q: Fluid catalytic cracking (FCC)	II: Pt/Al2O3
R: Naphtha reforming	III: Co-Mo/Al2O3

The correct combination is

A) P-II, Q-I, R-III
B) P-III, Q-II, R-I 
C) P-III, Q-I, R-II
D) P-I, Q-III, R-II

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Q 4:  Consider the processes in Group – 1 and the reaction in Group – 2.

Group -1	Group -2
P: Solvay process	I: RCOOH + NaOH → RCOONa + H2O
Q: Oxo process	II: CH2=CH2 + CO + H2 → CH3CH2CHO
R: Saponification	III: CaCO3 + 2NaC1 → Na2CO3 + CaCl2

The correct combination is

A) P-II, Q-I, R-III
B) P-III, Q-II, R-I
C) P-III, Q-I, R-II
D) P-I, Q-III, R-II

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