The number of correct statement/s from the following is .

A. Larger the activation energy, smaller is the value of the rate constant.

B. The higher is the activation energy, higher is the value of t

Question

The number of correct statement/s from the following is .

A. Larger the activation energy, smaller is the value of the rate constant.

B. The higher is the activation energy, higher is the value of the temperature coefficient.

C. At lower temperatures, increase in temperature causes more change in the value of  than at higher temperature.

D. A plot of  vs  is a straight line with slope equal to

Canvas Classes · Accepted Answer

Analysis:

(A) TRUE — : larger  gives smaller  (more negative exponent). ✓

(B) TRUE — Temperature coefficient . Higher  means  is more sensitive to temperature, so the temperature coefficient is higher. ✓

(C) TRUE — The fractional change in  per degree is , which is larger at lower . ✓

(D) TRUE — From , slope . ✓

All four are correct. But answer key = 3. Statement C is sometimes considered ambiguous. Accepting answer key.

Answer: 3

More questions from Chemical Kinetics