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Standard XII

Chemistry

Concentration Terms

When 20 g of ...

Question

When 20 g of naphthoic acid (C11H8O2) is dissolved in 50g of benzene (Kf = 1.72 K kg mol-1), a freezing point depression of 2K is observed. The van't Hoff factor (i) is -

0.5

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Solution

The correct option is A
0.5

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Similar questions

Q. When

20 g

of naphthoic acid (

C_{1} 1 H_{8} O_{2}

) is dissolved in

50 g

of benzene

(K_{f}

1.72 K k g m o l^{- 1})

freezing point depression of

2 K

is observed. The van't Hoff factor

(i)

is:

Q. When 20 g of naphthoic acid (

C_{11} H_{8} O_{2}

) is dissolved in 50 g of benzene (

K_{f} = 1.72 K K g m o l^{- 1}

), a freezing point depression of 2K is observed. The van’ t Hoff factor (i) is

When 20 g of naphthoic acid (C11H8O2) is dissolved in 50g of benzene (Kf = 1.72 K kg mol-1), a freezing point depression of 2K is observed. The van't Hoff factor (i) is -

Q. When 20

g

of naphthoic acid is dissolved in 50

g

of benzene

(K_{f} = 1.72 K k g m o 1^{- 1})

, a freezing point depression of 2

K

is observed. The van't Hoff factor (i) is:

QUESTION 2.33

19.5 g of $C H_{2} F C O O H$ is dissolved in 500g of water. The depression in the freezing point of water observed in 1.0 C. Calculate the van't Hoff factor and dissociation constant of fluoroacetic acid.
$K_{f} = 1.86 K k g m o l^{- 1}$

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When 20 g of naphthoic acid (C11H8O2) is dissolved in 50g of benzene (Kf = 1.72 K kg mol-1), a freezing point depression of 2K is observed. The van't Hoff factor (i) is -

The correct option is A 0.5

The correct option is A
0.5