Match List - I with List - II :
List - I
Industrial process List - II
Application (a) Haber's process (i) \(\mathrm{HNO_3}\) synthesis (b) Ostwald's process (ii) Aluminium extraction (c) Contact process (iii) \(\mathrm{NH_3}\) synthesis (d) Hal-Heroult process (iv) \(\mathrm{H_2SO_4}\) synthesis
Choose the correct answer from the options given below :
| List - I Industrial process | List - II Application | ||
| (a) | Haber's process | (i) | \(\mathrm{HNO_3}\) synthesis |
| (b) | Ostwald's process | (ii) | Aluminium extraction |
| (c) | Contact process | (iii) | \(\mathrm{NH_3}\) synthesis |
| (d) | Hal-Heroult process | (iv) | \(\mathrm{H_2SO_4}\) synthesis |
Choose the correct answer from the options given below :
Show Hint
- (a)-(iv), (b)-(i), (c)-(ii), (d)-(iii)
- (a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)
- (a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)
- (a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)
The Correct Option is B
Solution and Explanation
(b) Ostwald's process: catalytic oxidation of NH3 to NO and then to HNO3: (i).
(c) Contact process: SO2 to SO3 over V2O5, then H2SO4: (iv).
(d) Hall-Heroult process: electrolysis of alumina in molten cryolite, so aluminium extraction: (ii).
Matching: (a)-(iii), (b)-(i), (c)-(iv), (d)-(ii).
Answer: (2) (a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)
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