A. $$\frac{1}{{\text{K}}}\ln \frac{{{{\text{C}}_0}}}{{\text{C}}}$$
B. $$\frac{1}{{\text{K}}}\ln \frac{{\text{C}}}{{{{\text{C}}_0}}}$$
C. $${\text{K}}\ln \frac{{{{\text{C}}_0}}}{{\text{C}}}$$
D. $${\text{K}}\ln \frac{{\text{C}}}{{{{\text{C}}_0}}}$$
Answer: Option A
This Question Belongs to Chemical Engineering >> Chemical Reaction Engineering
A. $${{\text{k}}_{\text{e}}}{\text{ff}} = {\text{k}} + {{\text{k}}_{\text{g}}}$$
B. $${{\text{k}}_{\text{e}}}{\text{ff}} = \frac{{{\text{k}} + {{\text{k}}_{\text{g}}}}}{2}$$
C. $${{\text{k}}_{\text{e}}}{\text{ff}} = {\left( {{\text{k}}{{\text{k}}_{\text{g}}}} \right)^{\frac{1}{2}}}$$
D. $$\frac{1}{{{{\text{k}}_{\text{e}}}{\text{ff}}}} = \frac{1}{{\text{k}}} + \frac{1}{{{{\text{k}}_{\text{g}}}}}$$
The half life period of a first order reaction is given by (where, K = rate constant. )
A. 1.5 K
B. 2.5 K
C. $$\frac{{0.693}}{{\text{K}}}$$
D. 6.93 K
Catalyst is a substance, which __________ chemical reaction.
A. Increases the speed of a
B. Decreases the speed of a
C. Can either increase or decrease the speed of a
D. Alters the value of equilibrium constant in a reversible
A. $$ \propto {\text{CA}}$$
B. $$ \propto \frac{1}{{{\text{CA}}}}$$
C. Independent of temperature
D. None of these
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