Question
In electrochemical corrosion. the metal undergoing corrosion:
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| Column $I$ | Column $II$ |
| $(а)\ K_b$ | $(i)$ Elevation in boiling point |
| $(b)\ K_f$ | $(ii)$ Van't Hoff factor |
| $(c)\ i$ | $(iii)$ Cryoscopic constant |
| $(d)\ \Delta T _{ b }$ | $(iv)$ Ebullioscopic constant |
