1
MHT CET 2021 23th September Morning Shift
MCQ (Single Correct Answer)
+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$$_3$$
2
MHT CET 2021 23th September Morning Shift
MCQ (Single Correct Answer)
+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
$$3.2 \times 10^{-6}$$
3
MHT CET 2021 23th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

A weak monobasic acid is $$3.0 \%$$ dissociated in it's $$0.04 \mathrm{~M}$$ solution. What is the dissociation constant of acid?

A
$$9 \times 10^{-4}$$
B
$$3.6 \times 10^{-5}$$
C
$$3 \times 10^{-2}$$
D
$$4 \times 10^{-2}$$
4
MHT CET 2021 22th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Solubility product of $$\mathrm{AgBr}$$ is $$4.9 \times 10^{-13}$$. What is its solubility?

A
$$2.4 \times 10^{-7} \mathrm{~mol} \mathrm{~dm}^{-3}$$
B
$$3.2 \times 10^{-7} \mathrm{~mol} \mathrm{~dm}^{-3}$$
C
$$4.9 \times 10^{-7} \mathrm{~mol} \mathrm{~dm}^{-3}$$
D
$$7.0 \times 10^{-7} \mathrm{~mol} \mathrm{~dm}^{-3}$$
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