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Organic Chemical Industries
GATE 2020
Medium
Match the process in Group-1 with the reaction in Group-2. Group-1: P-Solvay process, Q-Oxo process, R-Saponification. Group-2: I-RCOOH+NaOH→RCOONa+H2O, II-CH2=CH2+CO+H2→CH3CH2CHO, III-CaCO3+2NaCl→Na2CO3+CaCl2. The correct combination is
- AP–II, Q–I, R–III
- P–III, Q–II, R–I
- CP–III, Q–I, R–II
- DP–I, Q–III, R–II
Explanation
The Solvay process's net reaction is CaCO3+2NaCl→Na2CO3+CaCl2 (III). The Oxo process is hydroformylation, CH2=CH2+CO+H2→CH3CH2CHO (II). Saponification/ester hydrolysis matches RCOOH+NaOH→RCOONa+H2O (I). So P–III, Q–II, R–I.
Source: GATE CH 2020 (2020)
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