Question is ⇒ Which of the following is insensitive to changes in pressure ?, Options are ⇒ (A) Heat of vaporisation, (B) Melting point, (C) Heat of fusion, (D) Both (b) and (c), (E) , Leave your comments or Download question paper.

Question is ⇒ Which of the following is insensitive to changes in pressure ?, Options are ⇒ (A) Heat of vaporisation, (B) Melting point, (C) Heat of fusion, (D) Both (b) and (c), (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	Which of the following is insensitive to changes in pressure ?
A.	Heat of vaporisation [Wrong Answer]
B.	Melting point [Wrong Answer]
C.	Heat of fusion [Wrong Answer]
D.	Both (b) and (c) [Correct Answer]
View Answer 1 -1 Explanation:- Answer : D Discuss it below : !! OOPS Login [Click here] is required to post your answer/result Help other students, write article, leave your comments

Previous question Next question

Also Read Similar Questions Below :

⇒ The heats of vaporisation of CS₂, C₂H₅OH &H₂O are 26.8, 38.6 & 40.6 KJ/kg mole respectively. The order of decreasing inter-molecular forces in these liquids is
H₂O > C₂H₅OH > CS₂
CS₂ > C₂H₅OH > H₂O
H₂O > CS₂ > C₂H₅OH
CS₂ > H₂O > C₂H₅OH

⇒ The density of a gas 'X' is twice that of another gas 'Y'. If the molecular weight of gas 'Y' is 'M'; then the molecular weight of the gas 'X' will be
2M
M/2
M
M/4

⇒ The osmotic pressure of a solution is directly proportional to the
lowering of vapor pressure.
molecular concentration of the solute.
absolute temperature of a given concentration.
all (a), (b) and (c).

⇒ Which of the following is not a colligative property ?
Osmotic pressure
Depression of freezing point
Lowering of vapor pressure
none of these.

⇒ Kopp's rule is useful for the determination of
molal heat capacities of gases.
heat capacities of solids.
activation energy.
heat capacities of gases.

⇒ The value of (C_p - C_v)for a real gas obeying Vander Wall's equation is
R
> R
< R
0.5 R

⇒ The equilibria relations in a multicom-ponent and multiphase system can not be calculated with the help of the
phase rule
experimental data
emperical equations
theoretical equations

⇒ 1 kg/cm² is equal to
760 torr
1KPa
10 metres of water column
1 metre of water column

⇒ If the pressure of a gas is reduced to half & its absolute temperature is doubled, then the volume of the gas will
be reduced to l/4th.
increase four times.
increase two times.
none of these.

⇒ If 1 Nm³ of O₂ contains 'N' number of molecules, then number of molecules in 2Nm³ of SO₂ will be
N
N/2
2N
4N

⇒ The heat capacity of a solid compound is calculated from the atomic heat capacities of its constituent elements with the help of the
Trouton's rule
Kopp's rule
Antonie equation
Kistyakowsky equation

⇒ The reaction A + B → C has been conducted in a reactor as shown bel
1
2
3
4

⇒ 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 co-efficient. The distribution co-efficient depends upon the
solute concentration
temperature
both(a) & (b)
neither (a) nor (b)

⇒ At what temperature, given mass of a gas that occupies a volume of 2 litres at N.T.P. will occupy a volume of 4 litres, if the pressure of the gas is kept constant ?
273°C
273°K
100°C
200°C

⇒ 1 BTU/ft³ is approximately equal to __________ kcal/m³.
1
9
4
252

⇒ The unit of C_p in S.I. units is
W/m².°K
J/kg.°K
W/m.°K
J/m³. °K

⇒ The viscosity of water at room temperature may be around one
centipoise
poise
stoke
both (b) &(c)

⇒ Under conditions of equal reduced pressure and equal reduced temperature, substances are said to be in the 'corresponding states'. At equal reduced conditions i.e., at the corresponding state, the __________ of different gases are nearly the same.
compressibility
molecular weight
humidity
none of these

⇒ With rise in temperature, the heat capacity of a substance
increases
decreases
remains unchanged
either (a) or (b); depends on the substance

⇒ Pick out the wrong unit conversion of heat transfer co-efficient.
1 kcal/m².hr.°C = 0.2048 BTU/ft².hr. °F. = 1.163 W/m².°K
1 kcal/m².hr.°K = 1.163 W/m².°C
1 W/m² . °C = 0.1761 BTU/ft².hr.°F.
1 BTU/ft².hr.°F = 4.88 kcal/m².hr.°C = 20.44 kJ/m².hr°C = 5.678 W/m².°C.

⇒ How many phases are present at eutectic point ?
1
2
3
unpredictable

⇒ Kopp's rule is helpful in finding the
heat capacities of solids.
heat capacities of gases.
molal heat capacities of gases.
activation energy.

⇒ The net heat evolved or absorbed in a chemical process, i.e. total change in the enthalpy of the system is independent of the
temperature & pressure.
number of intermediate chemical reactions involved.
state of aggregation & the state of combination at the beginning & the end of the reaction.
none of these.

⇒ NaOH contains __________ percent oxygen.
1
10
16
40

⇒ Which of the following is followed by an ideal solution ?
Boyle's law
Amgat's law
Raoult's law
Trouton's rule

⇒ The elevation in boiling point of a solution is proportional to the __________ of the solution.
molal concentration
reciprocal of the molal concentration
normality
molarity

⇒ In a mixture of benzene vapor and nitrogen gas at a total pressure of 900 mm Hg, if the absolute humidity of benzene is 0.2 kg benzene/kg nitrogen, the partial pressure of benzene in mm Hg is
180
60.3
720
200

⇒ 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.

⇒ Dry air is a mixture of
vapors
gases
both (a) & (b)
neither (a) nor (b)

⇒ In which of the following case of mixing of a strong acid with strong base (each of 1N concentration), temperature increase will be the highest ?
30 c.c acid and 30 c.c base.
20 c.c acid and 25 c.c base.
15 c.c acid and 35 c.c base.
35 c.c acid and 15 c.c base.