Arrhenius Equation NEET Questions

Arrhenius Equation MCQ Questions

7.
Taking the natural logarithm of the Arrhenius equation gives:
A.
ln k = ln A + Eₐ/(RT)
B.
ln k = -ln A - Eₐ/(RT)
C.
ln k = ln A - Eₐ/(RT)
D.
ln k = ln A - Eₐ·RT
ANSWER :
C. ln k = ln A - Eₐ/(RT)
8.
The base-10 logarithmic form of the Arrhenius equation is:
A.
log k = log A + Eₐ/(2.303 RT)
B.
log k = log A - Eₐ/(RT)
C.
log k = log A - Eₐ/(2.303 RT)
D.
log k = log A - 2.303 Eₐ/(RT)
ANSWER :
C. log k = log A - Eₐ/(2.303 RT)
9.
A plot of ln k versus 1/T gives a straight line with slope:
A.
-Eₐ/(2.303 R)
B.
+Eₐ/(2.303 R)
C.
+Eₐ/R
D.
-Eₐ/R
ANSWER :
D. -Eₐ/R
10.
A plot of log k versus 1/T gives a straight line with slope:
A.
-Eₐ/(2.303 R)
B.
+Eₐ/(2.303 R)
C.
+Eₐ/R
D.
-Eₐ/R
ANSWER :
A. -Eₐ/(2.303 R)
11.
In the Arrhenius plot of ln k vs 1/T, the y-intercept gives:
A.
log A
B.
ln A
C.
Eₐ/R
D.
-Eₐ/R
ANSWER :
B. ln A
12.
In the plot of log k vs 1/T, the y-intercept equals:
A.
-Eₐ/(2.303 R)
B.
log Eₐ
C.
Eₐ/R
D.
log A
ANSWER :
D. log A