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Subject: Chemistry, asked on 14/7/19

depression in freezing point for 1 molar concentration of Urea, 1 molar concentration of glucose and 1 molar concentration of NaCl are in the ratio

1. The molar mass of NaCl determined by colligative property measurement will be
a) equal to 58.5
b) >58.5
c) < 58.5
d) Can't be measured

2. The depression in freezing point for 1M urea, 1M glucose and 1M NaCl are in the ratio
a) 1 : 1 : 2
b) 3 : 2  :2
c) 2 : 1 : 1
d) 1 : 1 : 1

3. The values of observed and calculated molecular weights of silver nitrate are 92.64 and 170 respectively. The degrees of dissociation of silver nitrate will be
a) 70%
b) 35.8%
c) 83.5%
d) 60%

4. If osmotic pressure of 1M urea is π what will be the osmotic pressure for 0.1 M NaCl ?
a) π
b) 0.02π
c) 2π
d) 0.2π

Subject: Chemistry, asked on 1/7/18

Q1.

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