1
MHT CET 2021 23rd September Evening Shift
+1
-0

At $$298 \mathrm{~K}, 0.1 \mathrm{M}$$ solution of acetic acid is $1.34 \%$ ionized. What is the dissociation constant of acetic acid?

A
$$1.4 \times 10^{-3}$$
B
$$1.8 \times 10^{-5}$$
C
$$1.6 \times 10^{-3}$$
D
$$1.34 \times 10^{-5}$$
2
MHT CET 2021 23rd September Evening Shift
+1
-0

$$\mathrm{pH}$$ of soft drink is 3.6. Calculate the concentration of hydrogen ions in it.

A
$$2.51 \times 10^{-4} \mathrm{M}$$
B
$$2.3 \times 10^{-3} \mathrm{M}$$
C
$$2.0 \times 10^{-3} \mathrm{M}$$
D
$$2.81 \times 10^{-4} \mathrm{M}$$
3
MHT CET 2021 23th September Morning Shift
+1
-0

Which among the following salt solution in water shows pH less than 7 ?

A
CuCl$$_2$$
B
CH$$_3$$COONH$$_4$$
C
Na$$_2$$CO$$_3$$
D
KNO$$_3$$
4
MHT CET 2021 23th September Morning Shift
+1
-0

The solubility of $$\mathrm{Ag}_2 \mathrm{C}_2 \mathrm{O}_4$$ is $$2 \times 10^{-4} \mathrm{~mol} \mathrm{~L}^{-1}$$ at $$298 \mathrm{~K}$$. What is it's solubility product?

A
$$1.6 \times 10^{-6}$$
B
$$3.2 \times 10^{-11}$$
C
$$1.6 \times 10^{-11}$$
D
$$3.2 \times 10^{-6}$$
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Medical
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