Related Questions

With increase in temperature, the rate constant obeying Arhenious equation
A Increases
B Decreases
C Decreases exponentially
D Can either increase or decrease ; depends on the 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
Ten new television shows appeared during the month of September. Five of the shows were sitcoms, three were hour-long dramas, and two were news-magazine shows. By January, only seven of these new shows were still on the air. Five of the shows that remained were sitcoms.
A Only one of the news-magazine shows remained on the air.
B Only one of the hour-long dramas remained on the air.
C At least one of the shows that was cancelled was an hour-long drama.
D Television viewers prefer sitcoms over hour-long dramas.
Variation of equilibrium pressure with temperature for any two phases of a given substances is given by the __________ equation.
A Gibbs-Duhem
B Maxwell's
C Clayperon
D None of these
Arrhenious equation represents graphically the variation between the __________ and temperature.
A Rate of reaction
B Frequency factor
C Rate constant
D Activation energy
The variation in the volume of a liquid with the variation of pressure is called its
A Surface tension
B Compressibility
C Capillarity
D Viscosity
Variation of vapor pressure with temperature can be calculated using Clausius-Clapeyron equation, which assumes that the
A Vapor follows the ideal gas law
B Molal latent heat of vaporisation is constant within the limited temperature range
C Volume in the liquid state is negligible compared with that in the vapor state
D All of the above
The gas that shows the most variation from place to place and from time to time in the lower atmosphere:
A Ozone (O3)
B Carbon dioxide (CO2)
C Water vapour (H2O)
D Methane (CH4)
E Argon (Ar)
The variation of heat of reaction with temperature at constant pressure is given by the __________ law.
A Kelvin's
B Antonie's
C Kirchoffs
D None of these

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