Arhenious equation shows the variation of __________ with temperature.

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

Arhenious equation shows the variation of __________ with temperature.

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