Van’t Hoff Factor Absorb Before You Solve MCQs Solutions Chemistry NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

Van't Hoff factor (i) is given by the expression:

a. $i = \frac{Normal molar mass}{abnormal molar mass.}$

b. $i = \frac{Abnormal molar mass}{normal molar mass.}$

c. $i = \frac{Observed colligative property}{calculated colligative property.}$

d. $i = \frac{Calculated colligative property}{observed colligative property.}$

The correct choice among the given options are:

1. (a, b)

2. (b, c)

3. (c, d)

4. (a, c)

Subtopic: Van’t Hoff Factor |

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The Van't Hoff factor (i) for a dilute solution of $Al_2(SO_4)_3 $ is:

1. $1+\alpha/4 $
2. $1+\alpha $
3. $1-3\alpha $
4. $1+4\alpha $

Subtopic: Van’t Hoff Factor |

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In which of the following cases, value of the Van't Hoff factor (i) is the highest?
1. $NaCl~ (dissociation = 90\%)$
2. $CaF_2~ (dissociation = 80\%)$
3. $K_4[Fe(CN)_6]~ (dissociation = 50\%)$
4. $AlCl_3~ (dissociation = 70\%)$

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Which of the following solutions has the minimum freezing point?
1. 0.02 M NaCl
2. 0.05 M Urea
3. 0.01 M $MgCl_2$
4. 0.01 M KCl

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Acetic acid dimerises in benzene . The value of Van't Hoff factor (i) for the dimerisation of acetic acid is 0.7. The percetage dimerisation of acetic acid will be-

1.	30%	2.	60%
3.	70%	4.	90%

Subtopic: Van’t Hoff Factor |

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