(a)
Interpretation: The solution that has the higher boiling point is to be determined between seawater and distilled water.
Concept Introduction: The temperature at which the pressure applied on a liquid is equal to the pressure exerted by the vapour of liquid is known as boiling point. In simple words, it can be defined as ‘The point of temperature at which the liquid starts to boil.’
Every liquid has its unique boiling point.
(a)
Answer to Problem 65A
The boiling point of the seawater is greater than the distilled water.
Explanation of Solution
Distilled water has very fewer mineral impurities so the water can be expected to boil at exact
(b)
Interpretation: The solution that has the higher boiling point is to be determined between
Concept Introduction:
Molarity of a solution is defined as moles of solute by the litre of solution. Higher the molarity of the solution higher is the boiling point.
(b)
Answer to Problem 65A
The boiling point of
Explanation of Solution
While heating a solution, the dissolved solute is mixed with the solvent molecules at the surface where heat/boiling occurs. The higher concentration of solute will take more time and temperature to dissolve the solute and start boiling. Therefore, compound with high molarity value has the higher boiling point. Hence, boiling point of
(c)
Interpretation: The solution that has the higher boiling point is to be determined between
Concept Introduction: The boiling point of the compound depends on the molecular mass as well. The higher molecular mass the greater is the boiling point.
(c)
Answer to Problem 65A
The boiling point of
Explanation of Solution
If the mass of a compound is higher it requires higher temperature for the solute to dissolve in the solvent and start boiling. Therefore, the molecular mass of
Chapter 16 Solutions
Chemistry 2012 Student Edition (hard Cover) Grade 11
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