1
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
2
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
$$1.1 \times 10^{-4}$$
3
KCET 2018
MCQ (Single Correct Answer)
+1
-0
Which of the following electrolytes will have maximum coagulating value for $\mathrm{AgI} / \mathrm{Ag}^{+}$ sol?
A
$\mathrm{Na}_2 \mathrm{~S}$
B
$\mathrm{Na}_3 \mathrm{PO}_4$
C
$\mathrm{Na}_2 \mathrm{SO}_4$
D
NaCl
4
KCET 2018
MCQ (Single Correct Answer)
+1
-0
Gold sol is not a
A
lyophobic sol
B
negatively charged sol
C
macromolecular sol
D
multimolecular colloid
KCET Subjects
EXAM MAP