Q40.Which one of the following 0. 06 M aqueous solutions has lowest freezing point ? (1) Al2 (SO4)3 (2) C6H12O6 (3) KI (4) K2 SO4
What This Question Tests
This question requires comparing the freezing points of different electrolyte solutions by calculating their effective concentrations using the van't Hoff factor.
Concepts Tested
Formulas Used
ΔTf = i * Kf * m
📚 NCERT Sections This Tests
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.
1.1 — Define The Term Solution. How Many Types Of Solutions Are Formed? Write Briefly
Chemistry Class 11 · Chapter 1
1.1 Define the term solution. How many types of solutions are formed? Write briefly about each type with an example.
1.31 — The Depression In Freezing Point Of Water Observed For The Same Amount Of
Chemistry Class 11 · Chapter 1
1.31 The depression in freezing point of water observed for the same amount of acetic acid, trichloroacetic acid and trifluoroacetic acid increases in the order given above. Explain briefly.
📋 Question Details
- Chapter
- Solutions
- Topic
- Colligative properties (Freezing point depression)
- Year
- 2021
- Shift
- 22 Jul Shift 1
- Q Number
- Q40
- Type
- MCQ
- NCERT Ref
- Class 12 Chemistry Ch 2: Solutions
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