Question
a.
The integral heat of solution of either components can not be calculated from heat of mixing data.
b.
The average value of heat of neutralisation of dilute solutions of weak acids and bases is much less compared to that for strong acids and bases.
c.
The standard heat of solution of the hydrate of a substance is the difference between the heat of solution of the anhydrous substance and its heat of hydration.
d.
The accompanying enthalpy change, when a solute is dissolved in solvent, depends upon the nature & amount of the solute & the solvent, on the temperature & on the initial & final concentrations of the solution.
Posted under Basic Chemical Engineering
Interact with the Community - Share Your Thoughts
Uncertain About the Answer? Seek Clarification Here.
Understand the Explanation? Include it Here.
Q. Pick out the wrong statement:
Similar Questions
Explore Relevant Multiple Choice Questions (MCQs)
Q. Pick out the wrong unit conversion.
View solution
Q. The value of (Cᵨ - Cᵥ)for a real gas obeying Vander Wall's equation is
View solution
Q. A fluid gas produced on burning furnace oil contains 0.15 gm mole of CO₂, 0.05 gm mole of oxygen and 0.80 gm mole of N₂. What is its molecular weight ?
View solution
Q. A gaseous mixture contains 14 kg of N₂, 16 kg of O₂ and 17 kg of NH₃. The mole fraction of oxygen is
View solution
Q. Sodium __________ has inverted solubility curve i.e. its solubility increases with the lowering of temperature.
View solution
Q. Which of the following has the least (almost negligible) effect on the solubility of a solute in a solvent ?
View solution
Q. If the partial pressure of the solvent in the vapor phase is equal to the vapor pressure of the solvent at that temperature, then the system is said to be at its
View solution
Q. At higher temperatures, molal heat capacities for most of the gases (at constant pressure) __________ with increase in temperature.
View solution
Q. Pick out the wrong unit conversion.
View solution
Q. Pick out the wrong unit conversion.
View solution
Q. The accumulation in a steady state combustion process, burning 1 kg mole of carbon with 1 kg mole of oxygen thereby producing 1 kg mole of carbon dioxide, is __________ kg mole.
View solution
Q. Addition of a non-volatile solute to a pure solvent
View solution
Q. The depression in freezing point of a solution is
View solution
Q. For the gaseous phase reaction,
N₂ + O₂ ↔ 2NO, ΔH = + 80 kJ/kg. mole;
the decomposition of NO is favoured by
View solution
Q. Pick out the correct statement.
View solution
Q. In case of a solution (not of a solid in a liquid), whose total volume is less than the sum of the volumes of its components in their pure states, solubility is
View solution
Q. Pure oxygen is mixed with air to produce an enriched air containing 50 volume % of oxygen. The ratio of moles of air to oxygen used is
View solution
Q. Pick out the correct statement.
View solution
Q. Normality of a solution does not change with the increase in the
View solution
Q. For an endothermic reaction, the minimum value of energy of activation will be (where, ΔH = enthalpy of the reaction)
View solution
Recommended Subjects
Are you eager to expand your knowledge beyond Basic Chemical Engineering? We've handpicked a range of related categories that you might find intriguing.
Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!
