MCQ
Which formula is not correct for van't Hoff factor?
  • A
    $i=\frac{\Delta T _{ b } \text { (observed) }}{\left.\Delta T _{ b } \text { (calculated }\right)}$
  • B
    $i=\frac{\Pi \text { (observed) }}{\Pi \text { (calculated) }}$
  • C
    $i=\frac{\Delta T _{ f } \text { (observed) }}{\Delta T _{ f } \text { (calculated) }}$
  • $i=\frac{\text { Observed molecular weight }}{\text { Calculated molecular weight }}$

Answer

Correct option: D.
$i=\frac{\text { Observed molecular weight }}{\text { Calculated molecular weight }}$
(D)$i=\frac{\text { Observed molecular weight }}{\text { Calculated molecular weight }}$

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