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The heat of solution depends upon the  
A.  nature of solvent [Wrong Answer] 
B.  concentration of solution [Wrong Answer] 
C.  nature of solute [Wrong Answer] 
D.  all (a), (b) & (c) [Correct Answer] 
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Explanation:
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Also Read Similar Questions Below :
⇒ Assuming applicability of ideal gas law, the pure component volume of the vapor in a saturated gas can be calculated from theoretical relationship. The volumetric composition of a vapor saturated gas is independent of the
nature of the liquid.
nature of the gas.
temperature of the liquid. id) total pressure.
⇒ With rise in pressure, the solubility of gases in solvent, at a fixed temperature
increases
decreases
remains unchanged
decreases linearly
⇒ Pick out the wrong unit conversion.
1 atm. = 760 mm Hg = 29.92 inch Hg = 14.7 psi = 1.013 bar = 1.013 kgf/cm^{2}
1 kPa = 100 bar
1 mm Hg = 1 torr = 133.3 Pa

⇒ For water evaporating into usaturated air under adiabatic conditions and at constant pressure, the __________ remains constant throughout the period of vaporisation.
dry bulb temperature
wet bulb temperature
humidity
relative saturation
⇒ PH value of an alkaline solution is
7
> 7
< 7
constant over a wide range
⇒ In case of a ternery system involving two liquid components and a solute, the ratio of the concentration of the solute in the two phases at equilibrium is called the distribution coefficient. The distribution coefficient depends upon the
solute concentration
temperature
both(a) & (b)
neither (a) nor (b)
⇒ Pick out the wrong statement.
Reduced temperature' of a substance is the ratio of its existing temperature to its critical temperature, both expressed on celsius scale.
Reduced pressure' is the ratio of the existing pressure of a substance to its critical pressure.
Reduced volume' is the ratio of the existing molal volume of a substance to its critical molal volume.
none of these.
⇒ 'Giga' stands for
10^{9}
10^{12}
10^{12}
10^{15}
⇒ In a binary liquid solution of components A and B, if component A exhibits positive deviation from Raoult's law, then component B
exhibits positive deviation from Raoult's law.
exhibits negative deviation from Raoult's law.
obeys Raoult's law.
may exhibit either positive or negative deviation from Raoult's law.
⇒ One 'Therm' is equivalent to
10^{5} BTU
10^{5} kcal
10^{9} BTU
10^{9} kcal
⇒ C_{p} equals C_{v} at
0°C
0°K
0°F
0°R
⇒ The evaporation of aqueous solution of sugar causes its molarity to
decrease. (b) increase.
remain unchanged.
either (a) or (b); depends on the concentration of the solution.
⇒ Applicability of ClaussiusClapeyron equation is subject to the condition that the
vapor follows ideal gas law.
volume in the liquid state is negligible.
both (a) & (b)
neither (a) nor (b)
⇒ Gases having same reduced temperatures and reduced pressures
deviate from ideal gas behaviour to the same degree.
have nearly the same compressibility factor.
both (a) and (b).
neither (a) nor (b).
⇒ Heat of reaction is not influenced by
the route/method through which final products are obtained.
the physical state (e.g., solid, liquid or gaseous) of reactants and products.
whether the reaction is carried out at constant temperature or constant pressure.
none of these.
⇒ The boiling points for pure water and pure toluene are 100°C and 110.6°C respectively. Toluene and water are completely immiscible in each other. A well agitated equimolar mixture of toluene and water are prepared. If, at a total pressure of one standard atm. exerted by the vapours of water and toluene, the mole fraction of water X^{w} in the vapour phase satisfies
0 < X_{w} < 0.5
X_{w} = 0.5
0.5 < X_{w} < 1.0
X_{w} = 1.0
⇒ The value of Trouton's ratio (λ_{b}/T_{b}) for a number of substances is 21 (where, λb = molal that of vaporisation of a substance at its normal boiling point, KCal/kg. mole and T_{b} = normal boiling point, °K). The Kistyakowsky equation is used for calculation of Trouton's ratio of __________ liquids.
polar
nonpolar
both (a) & (b)
neither (a) nor (b)
⇒ Dry air is a mixture of
vapors
gases
both (a) & (b)
neither (a) nor (b)
⇒ Number of gram equivalent of solute dissolved in one litre of solution is called its
normally
molarity
molality
formality
⇒ A solution of specific gravity 1 consists of 35% A by weight and the remaining B. If the specific gravity of A is 0.7, the specific gravity of Bis
1.25
1.3
1.35
1.2
⇒ For a given mass of a gas at constant temperature, if the volume 'V' becomes three times, then the pressure 'P' will become
P/3
3P
9P^{2}
9P
⇒ During a phase change process like sublimation, vaporisation, melting etc., the specific __________ does not change.
enthalpy
Gibbs free energy
internal energy
entropy
⇒ The number of H^{+} in 1 c.c solution of pH 13 is
6.023 xl0^{13}
6.023 x 10^{10}
6.023xl0^{7}
10^{13}
⇒ The number of atoms of oxygen present in 11.2 litres of ozone (O_{3}) at N.T.P. are
3.01 x 10^{22}
6.02 x 10^{23}
9.03 x 10^{24}
1.20 x 10^{24}
⇒ Pick out the correct statement.
A substance existing above its critical temperature is called a saturated vapor.
A mixture of vapor gas is called saturated, if the equilibrium vapor pressure of the liquid is more than the partial pressure of the vapor at the same temperature.
Heat added to or given up by a substance at constant temperature is called the sensible heat.
The end points of a vaporpressure vs. temperature curve are critical and triple points.
⇒ 1 Pascal (unit of pressure) is equal to __________ N/m^{2}.
10
1
0.1
1000
⇒ One of the specific gravity scales is "Brix" (used speicifically for sugar solution). It is defined as
Brix = (400/G)  400
Brix = 200 (G1)
Brix = 145  (145/G)
none of these
⇒ If the absolute temperature of an ideal gas is tripled and simultaneously the pressure is reduced to one third; then the volume of gas will
remain unaltered
increase nine fold
increase three fold
decrease three fold
⇒ Addition of a nonvolatile solute to a solvent produces a __________ in its solvent.
freezing point elevation
boiling point depression
vapor pressure lowering
all (a), (b) & (c)
⇒ The amount of Zn (atomic weight = 65) required to form 224 c.c. of H_{2} at N.T.P. on treatment with dilute H_{2}SO_{4} will be __________ gm.
0.065
0.65
6.5
65
⇒ Assuming applicability of ideal gas law, the pure component volume of the vapor in a saturated gas can be calculated from theoretical relationship. The volumetric composition of a vapor saturated gas is independent of the
nature of the liquid.
nature of the gas.
temperature of the liquid. id) total pressure.
⇒ With rise in pressure, the solubility of gases in solvent, at a fixed temperature
increases
decreases
remains unchanged
decreases linearly
⇒ Pick out the wrong unit conversion.
1 atm. = 760 mm Hg = 29.92 inch Hg = 14.7 psi = 1.013 bar = 1.013 kgf/cm^{2}
1 kPa = 100 bar
1 mm Hg = 1 torr = 133.3 Pa

⇒ For water evaporating into usaturated air under adiabatic conditions and at constant pressure, the __________ remains constant throughout the period of vaporisation.
dry bulb temperature
wet bulb temperature
humidity
relative saturation
⇒ PH value of an alkaline solution is
7
> 7
< 7
constant over a wide range
⇒ In case of a ternery system involving two liquid components and a solute, the ratio of the concentration of the solute in the two phases at equilibrium is called the distribution coefficient. The distribution coefficient depends upon the
solute concentration
temperature
both(a) & (b)
neither (a) nor (b)
⇒ Pick out the wrong statement.
Reduced temperature' of a substance is the ratio of its existing temperature to its critical temperature, both expressed on celsius scale.
Reduced pressure' is the ratio of the existing pressure of a substance to its critical pressure.
Reduced volume' is the ratio of the existing molal volume of a substance to its critical molal volume.
none of these.
⇒ 'Giga' stands for
10^{9}
10^{12}
10^{12}
10^{15}
⇒ In a binary liquid solution of components A and B, if component A exhibits positive deviation from Raoult's law, then component B
exhibits positive deviation from Raoult's law.
exhibits negative deviation from Raoult's law.
obeys Raoult's law.
may exhibit either positive or negative deviation from Raoult's law.
⇒ One 'Therm' is equivalent to
10^{5} BTU
10^{5} kcal
10^{9} BTU
10^{9} kcal
⇒ C_{p} equals C_{v} at
0°C
0°K
0°F
0°R
⇒ The evaporation of aqueous solution of sugar causes its molarity to
decrease. (b) increase.
remain unchanged.
either (a) or (b); depends on the concentration of the solution.
⇒ Applicability of ClaussiusClapeyron equation is subject to the condition that the
vapor follows ideal gas law.
volume in the liquid state is negligible.
both (a) & (b)
neither (a) nor (b)
⇒ Gases having same reduced temperatures and reduced pressures
deviate from ideal gas behaviour to the same degree.
have nearly the same compressibility factor.
both (a) and (b).
neither (a) nor (b).
⇒ Heat of reaction is not influenced by
the route/method through which final products are obtained.
the physical state (e.g., solid, liquid or gaseous) of reactants and products.
whether the reaction is carried out at constant temperature or constant pressure.
none of these.
⇒ The boiling points for pure water and pure toluene are 100°C and 110.6°C respectively. Toluene and water are completely immiscible in each other. A well agitated equimolar mixture of toluene and water are prepared. If, at a total pressure of one standard atm. exerted by the vapours of water and toluene, the mole fraction of water X^{w} in the vapour phase satisfies
0 < X_{w} < 0.5
X_{w} = 0.5
0.5 < X_{w} < 1.0
X_{w} = 1.0
⇒ The value of Trouton's ratio (λ_{b}/T_{b}) for a number of substances is 21 (where, λb = molal that of vaporisation of a substance at its normal boiling point, KCal/kg. mole and T_{b} = normal boiling point, °K). The Kistyakowsky equation is used for calculation of Trouton's ratio of __________ liquids.
polar
nonpolar
both (a) & (b)
neither (a) nor (b)
⇒ Dry air is a mixture of
vapors
gases
both (a) & (b)
neither (a) nor (b)
⇒ Number of gram equivalent of solute dissolved in one litre of solution is called its
normally
molarity
molality
formality
⇒ A solution of specific gravity 1 consists of 35% A by weight and the remaining B. If the specific gravity of A is 0.7, the specific gravity of Bis
1.25
1.3
1.35
1.2
⇒ For a given mass of a gas at constant temperature, if the volume 'V' becomes three times, then the pressure 'P' will become
P/3
3P
9P^{2}
9P
⇒ During a phase change process like sublimation, vaporisation, melting etc., the specific __________ does not change.
enthalpy
Gibbs free energy
internal energy
entropy
⇒ The number of H^{+} in 1 c.c solution of pH 13 is
6.023 xl0^{13}
6.023 x 10^{10}
6.023xl0^{7}
10^{13}
⇒ The number of atoms of oxygen present in 11.2 litres of ozone (O_{3}) at N.T.P. are
3.01 x 10^{22}
6.02 x 10^{23}
9.03 x 10^{24}
1.20 x 10^{24}
⇒ Pick out the correct statement.
A substance existing above its critical temperature is called a saturated vapor.
A mixture of vapor gas is called saturated, if the equilibrium vapor pressure of the liquid is more than the partial pressure of the vapor at the same temperature.
Heat added to or given up by a substance at constant temperature is called the sensible heat.
The end points of a vaporpressure vs. temperature curve are critical and triple points.
⇒ 1 Pascal (unit of pressure) is equal to __________ N/m^{2}.
10
1
0.1
1000
⇒ One of the specific gravity scales is "Brix" (used speicifically for sugar solution). It is defined as
Brix = (400/G)  400
Brix = 200 (G1)
Brix = 145  (145/G)
none of these
⇒ If the absolute temperature of an ideal gas is tripled and simultaneously the pressure is reduced to one third; then the volume of gas will
remain unaltered
increase nine fold
increase three fold
decrease three fold
⇒ Addition of a nonvolatile solute to a solvent produces a __________ in its solvent.
freezing point elevation
boiling point depression
vapor pressure lowering
all (a), (b) & (c)
⇒ The amount of Zn (atomic weight = 65) required to form 224 c.c. of H_{2} at N.T.P. on treatment with dilute H_{2}SO_{4} will be __________ gm.
0.065
0.65
6.5
65