Related Questions

Arhenious equation shows the variation of __________ with temperature.
A Reaction rate
B Rate constant
C Energy of activation
D Frequency factor
The unit of frequency factor in Arhenious equation is
A Same as that of rate constant
B Same as that of activation energy
C Dimensionless
D None of these
The units of frequency factor in Arhenious equation
A Are the same as those of the rate constant
B Depend on the order of the reaction
C Depend on temperature, pressure etc. of the reaction
D Are cycles per unit time
Which of the following holds good for a solution obeying Raoult's law (i.e., an ideal solution) (where, ΔH = heat of mixing, and ΔV = volume change on mixing ) ?
A ΔH = 1 (+ ve)and Δ V = -ve
B ΔH = 0
C ΔV = 0
D Both B and C
Osmotic pressure of a dilute solution of a non volatile solute in a solvent obeying Raoult's law is proportional to the
A Temperature
B Volume of solution
C Moles of non-volatile solute
D None of these
With increase in temperature, the equilibrium constant at constant pressure (Kp) for oxidation of sulphur dioxide
A Increases
B Increases linearly
C Decreases
D Decreases linearly
At higher temperature, molal heat capacities of most of the gases (at constant pressure) __________ with increase in temperature.
A Increases
B Decreases
C Remains unchanged
D Increases linearly
Free energy, fugacity and activity co-efficient are all affected by change in the temperature. The fugacity co-efficient of a gas at constant pressure ____with the increase of reduced temperature.
A Decreases
B Increases
C Remains constant
D Decreases logarithmically
Two trains , X and Y, started simultaneously form opposite ends of a 100 mile route and traveled toward each other on parallel tracks. Train x , travelling at a constant rate, completed the 100 mile trip in 5 hours, Train Y, travelling at a constant rate , completed the 100 mile trip in 3 hours .How many miles had Train X traveled when it met Train Y?
A 37. 5
B 40
C 60
D 62. 5
With increase in the mass velocity of the gas, the rate of drying during the constant rate period __________ , if the conduction and radiation through the solid are negligible.
A Increases
B Decreases
C Remains same
D Increases linearly

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