MCQ
The correct order of increasing electron affinity of the following elements is
- ✓$O < S < F < Cl$
- B$O < S < Cl < F$
- C$S < O < F < Cl$
- D$S < O < Cl < F$
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$ -\mathrm{OCH}_3,-\mathrm{NO}_2,-\mathrm{CN},-\mathrm{CH}_3-\mathrm{NHCOCH}_3, $
$ -\mathrm{COR},-\mathrm{OH},-\mathrm{COOH},-\mathrm{Cl}$
| List$I$ | List$II$ |
| $A.$ Cobalt catalyst | $I.$ $\left( H _2+ Cl _2\right)$ production |
| $B.$ Syngas | $II.$ Water gas production |
| $C.$ Nickel catalyst | $III.$ Coal gasification |
| $D.$ Brine solution | $IV.$ Methanol production |
Choose the correct answer from the options given below :-
