# Chemical Kinetics

## Activation energy of a reaction:

A
is independent of temperature
B
increase with temperature
C
gets double in every 10 degree raise in temperature
D
decrease with temperature
Medium
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## The decomposition of phosphine on tungsten at low pressure is a first-order reaction. It is because the:

A
rate is independent of the surface coverage
B
rate of decomposition is very slow
C
rate is proportional to the surface coverage
D
rate is inversely proportional to the surface coverage
Hard
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