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FREEZING POINT OF THE SOLVENT MCQs

Total Questions : 20 | Page 1 of 2 pages
Question 1. Which of the following 0
  1.    C6H12O6
  2.    KCl
  3.    Al2(SO4)3
  4.    C12H22O11
 Discuss Question
Answer: Option C. -> Al2(SO4)3
Question 2. The amount of urea to be dissolved in 500 cc of water (K = 1
  1.    0.3g
  2.    3g
  3.    6g
  4.    9g
 Discuss Question
Answer: Option B. -> 3g
Question 3. The maximum freezing point falls in
  1.    Naphthalene
  2.    Camphor
  3.    Water
  4.    Benzene
 Discuss Question
Answer: Option B. -> Camphor
Question 4. The freezing point of a solution prepared from 1
  1.    105.7
  2.    106.7
  3.    115.3
  4.    93.9
 Discuss Question
Answer: Option A. -> 105.7
Question 5. An aqueous solution of a non-electrolyte boils at 100
  1.    0o C
  2.    -1.86o C
  3.    1.86o C
  4.    None of the above
 Discuss Question
Answer: Option B. -> -1.86o C
Question 6. What is the effect of the addition of sugar on the boiling and freezing points of water
  1.    Both boiling point and freezing point decreases
  2.    Both boiling point and freezing point increases
  3.    Boiling point increases and freezing point decreases
  4.    Boiling point decreases and freezing point increases
 Discuss Question
Answer: Option C. -> Boiling point increases and freezing point decreases
Question 7. The freezing point of 1 percent solution of lead nitrate in water will be
  1.    0o C
  2.    1o C
  3.    2o C
  4.    Below 0o C
 Discuss Question
Answer: Option D. -> Below 0o C
Question 8. Which of the following aqueous molal solution have highest freezing point
  1.    Aluminium sulphate
  2.    Potassium bromide
  3.    Barium chloride
  4.    Urea
 Discuss Question
Answer: Option D. -> Urea
Question 9. Which will show maximum depression in freezing point when concentration is 0
  1.    Urea
  2.    NaCl
  3.    Glucose
  4.    K2SO4
 Discuss Question
Answer: Option D. -> K2SO4
Question 10. A 0
  1.    -0.93oC
  2.    0.93oC
  3.    -1.86oC
  4.    1.86oC
 Discuss Question
Answer: Option A. -> -0.93oC

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