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1
MHT CET 2023 13th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A buffer solution is prepared by mixing equimolar acetic acid and sodium acetate. If '$$\mathrm{K}_d$$' of acetic acid is $$1.78 \times 10^{-5}$$, find the $$\mathrm{pH}$$ of buffer solution.

A
4.75
B
8.9
C
9.4
D
2.6
2
MHT CET 2023 13th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The solubility product of $$\mathrm{Mg}(\mathrm{OH})_2$$ is $$1.8 \times 10^{-11}$$ at $$298 \mathrm{~K}$$. What is its solubility in $$\mathrm{mol} \mathrm{~dm}^{-3}$$ ?

A
$$1.650 \times 10^{-4}$$
B
$$2.120 \times 10^{-4}$$
C
$$3.184 \times 10^{-4}$$
D
$$4.550 \times 10^{-4}$$
3
MHT CET 2023 13th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

If $$\mathrm{K}_{\mathrm{sp}}$$ is solubility product of $$\mathrm{Al}(\mathrm{OH})_3$$, its solubility is expressed by formula,

A
$$\sqrt[3]{\frac{4}{\mathrm{~K}_{\mathrm{sp}}}}$$
B
$$\sqrt[3]{\frac{K_{s p}}{4}}$$
C
$$\sqrt[4]{\frac{K_{s p}}{27}}$$
D
$$\sqrt[4]{\mathrm{K}_{\mathrm{sp}} \times 27}$$
4
MHT CET 2023 12th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is the solubility of $$\mathrm{AgCl}_{(\mathrm{s})}$$ if its solubility product is $$1.6 \times 10^{-10}$$ ?

A
$$1.26 \times 10^{-5} \mathrm{M}$$
B
$$1.00 \times 10^{-9} \mathrm{M}$$
C
$$2.6 \times 10^{-5} \mathrm{M}$$
D
$$1.56 \times 10^{-9} \mathrm{M}$$
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