Chemistry - Solutions

Question - 1

Which of the following solutions has the highest boiling point?

  • A 0.1 M glucose
  • B 0.1 M \(BaCl_2\)
  • C 0.1 M NaCl
  • D 0.1 Urea

Question - 2

The freezing point of the solution with increasing concentration of glucose will be as 

  • A 1%>2%>3%>10%
  • B 10%>3%>2%>1%
  • C 1%>2%>2%>10%
  • D 10%>2%>3%>2%

Question - 3

Which one of the following solutions at the same temperature will be isotonic>

  • A 3.42 g of cane sugar in one litre of water and 0.18 g of glucose in one litre of water
  • B 3.42 g of cane sugar in one litre of water and 0.18 g of glucose in 0.1 litre of water
  • C 3.42 g of cane sugar in one litre of water and 0.585 g of NaCL  glucose in one litre of water
  • D 3.42 g of cane sugar in one litre of water and 1.17 g of NaCL glucose in one litre of water

Question - 4

Osmotic pressure of 0.4% urea solution is 1.64 atm and that of 3.42% cane sugar is 2.46 atm. When the above two solutions are mixed, the osmotic pressure of the resulting solution is

  • A 1.64 atm
  • B 2.46 atm
  • C 4.10 atm
  • D 0.82 atm

Question - 5

The ratio of the value of any colligative property for KCI solution to that for sugar is nearly

  • A 1.0
  • B 0.5
  • C 2.0
  • D 2.5

Question - 6

10 g NaCl is dissolved in 10 g of the solution; its concentration, is 

  • A 1 ppm
  • B 10 ppm
  • C 100 ppm
  • D 0.1 ppm

Question - 7

what is the mole fraction of water in a solution containing 1 mole of water in 4 moles of alcohol?

  • A 0.2
  • B 0.4
  • C 0.6
  • D 0.8

Question - 8

When acetone and chloroform are mixed, hydrogen bonding takes place between them. Such a liquid pair will show

  • A positive deviation from Raoult's Law
  • B negative deviation from raoult's law
  • C slight increase in volume
  • D no deviation from raoult's law

Question - 9

Molarity of a 15% solution of \(H_2SO_4\) ( destiny of \(H_2SO_4\)=1.10 g ml; given molecular wt=98) would be

  • A 16.84 M
  • B 1.684 M
  • C 0.1684 M
  • D 0.842 M

Question - 10

In the above question molality of the solution would be

  • A 2.8
  • B 3.8
  • C 4.8
  • D 1.8
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