Q36.If the pKa of lactic acid is 5 , then the pH of 0. 005 M calcium lactate solution at 25° C is __________ × 10–1 (Nearest integer)
What This Question Tests
This question involves calculating the pH of a salt solution formed from a weak acid and strong base, requiring an understanding of salt hydrolysis and relevant equilibrium constant relations.
Concepts Tested
Formulas Used
pH = 7 + (1/2)(pKa - log c)
Kw = Ka * Kb
pKw = pH + pOH
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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.
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📋 Question Details
- Chapter
- Ionic Equilibrium
- Topic
- Salt hydrolysis
- Year
- 2023
- Shift
- 24 Jan Shift 2
- Q Number
- Q36
- Type
- Numerical
- NCERT Ref
- Class 11 Chemistry Ch 7: Equilibrium
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