Q45. K2HgI4 is 40% ionised in aqueous solution. The value of its van't Hoff factor (i) is: (1) 1.6 (2) 1.8 (3) 20 (4) 22
What This Question Tests
This question involves a straightforward calculation of the van't Hoff factor for a given electrolyte, using its degree of ionization and the number of ions it produces upon dissociation.
Concepts Tested
Formulas Used
i = 1 + (n-1)α
📚 NCERT Sections This Tests
5.28 — How Many Ions Are Produced From The Complex Co(Nh3)6Cl2 In Solution?
Chemistry Class 11 · Chapter 5
5.28 How many ions are produced from the complex Co(NH3)6Cl2 in solution? (i) 6 (ii) 4 (iii) 3 (iv) 2 139 Coordination Compounds Reprint 2025-26
1.32 — Calculate The Depression In The Freezing Point Of Water When 10 G Of
Chemistry Class 11 · Chapter 1
1.32 Calculate the depression in the freezing point of water when 10 g of CH3CH2CHClCOOH is added to 250 g of water. Ka = 1.4 × 10–3, Kf = 1.86 K kg mol–1. 1.33 19.5 g of CH2FCOOH is dissolved in 500 g of water. The depression in the freezing point of water observed is 1.00 C. Calculate the van’t Hoff factor and dissociation constant of fluoroacetic acid.
2.8 — The Conductivity Of 0.20 M Solution Of Kcl At 298 K Is 0.0248 S Cm–1. Calculate
Chemistry Class 11 · Chapter 2
2.8 The conductivity of 0.20 M solution of KCl at 298 K is 0.0248 S cm–1. Calculate its molar conductivity.
📋 Question Details
- Chapter
- Solutions
- Topic
- Van't Hoff factor and degree of dissociation
- Year
- 2019
- Shift
- 11 Jan Shift 2
- Q Number
- Q45
- Type
- Numerical
- NCERT Ref
- Class 12 Chemistry Ch 2: Solutions
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