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When 20g of naphtoic acid (C(11)H(8)O(2)...

When 20g of naphtoic acid `(C_(11)H_(8)O_(2))` is dissolved in 50g of benzene `(K_(f)=1.72 k kg "mol"^(-1))`, a freezing point depression of 2K is observed. The van't Haff factor (i) :-

A

`0.5`

B

1

C

2

D

3

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The correct Answer is:
A
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When 20g of naphtholic acid (C_(11)H_(8)O_(2)) is dissolved in 50g of benzene (K_(f) = 1.72 K kg mol^(-1)) a freezing point depression of 2K is observed. The van'f Hoff factor (i) is

When 20g of naphtholic acid (C_(11)H_(8)O_(2)) is dissolved in 50g of benzene (K_(f) = 1.72 K kg mol^(-1)) a freezing point depression of 2K is observed. The van'f Hoff factor (i) is

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