1
KCET 2020
MCQ (Single Correct Answer)
+1
-0

During adsorption of a gas on a solid at low temperature

A
$$\Delta G<0, \Delta H<0, \Delta S<0$$
B
$$\Delta G>0, \Delta H>0, \Delta S>0$$
C
$$\Delta G<0, \Delta H<0, \Delta S>0$$
D
$$\Delta G<0, \Delta H>0, \Delta S<0$$
2
KCET 2019
MCQ (Single Correct Answer)
+1
-0

Which of the following is an example of homogeneous catalysis?

A
oxidation of $$\mathrm{NH}_3$$ in Ostwald's process
B
oxidation of $$\mathrm{SO}_2$$ in contact process
C
oxidation of $$\mathrm{SO}_2$$ in lead chamber process
D
manufacture of $$\mathrm{NH}_3$$ by Haber's process
3
KCET 2019
MCQ (Single Correct Answer)
+1
-0

Critical Micelle concentration for a soap solution is $$1.5 \times 10^{-4} \mathrm{~mol} \mathrm{~L}^{-1}$$. Micelle formation is possible only when the concentration of soap solution in $$\mathrm{mol} \mathrm{~L}^{-1}$$ is

A
$$2.0 \times 10^{-3}$$
B
$$4.6 \times 10^{-5}$$
C
$$7.5 \times 10^{-5}$$
D
$$1.1 \times 10^{-4}$$
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