MCQ
Which of the following substance is an electrolyte
- AChloroform
- BBenzene
- CToluene
- ✓Magnesium chloride
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| $I.P.$ | Reason |
| $(A)$ $N > O$ | Half filled configuration |
| $(B)$ $Zr < Hf$ | Lanthenide contraction |
| $(C)$ $Na > K$ | $Z_{eff}$ |
| $(D)$ $Al < Ga$ | Transition contraction |