MCQ
Find the odd one out :
- A$CN ^{-}$
- B$Cl ^{-}$
- C$SO _4{ }^{2-}$
- ✓$NH _3$
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| Column I | Column II |
| A) Pure nitrogen | (i) Chlorine |
| B) Haber process | (ii) Sulphuric acid |
| C) Contact process | (iii) Ammonia |
| D) Deacons Process | (iv) sodium azide (or) Barium azide |
Which of the following is the correct option?
| A | B | C | D |
| (i) | (ii) | (iii) | (iv) |
| A | B | C | D |
| (ii) | (iv) | (i) | (iii) |
| A | B | C | D |
| (iii) | (iv) | (ii) | (i) |
| A | B | C | D |
| (iv) | (iii) | (ii) | (i) |