1
MHT CET 2022 11th August Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is the $$\mathrm{pH}$$ of $$2 \times 10^{-3} \mathrm{M}$$ solution of monoacidic weak base if it ionises to the extent of $$5\%$$ ?

A
14
B
6
C
4
D
2
2
MHT CET 2021 24th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

The solubility of sparingly soluble salt $$\mathrm{AB}_2$$ is $$1.0 \times 10^{-4} \mathrm{~mol} \mathrm{~dm}^{-3}$$. What is it's solubility product?

A
$$2 \times 10^{-12}$$
B
$$4 \times 10^{-8}$$
C
$$4 \times 10^{-12}$$
D
$$2 \times 10^{-8}$$
3
MHT CET 2021 24th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is the $$\mathrm{pH}$$ of $$0.005 \mathrm{~M} \mathrm{~H}_2 \mathrm{SO}_4$$ solution?

A
5.0
B
2.3
C
3.3
D
2.0
4
MHT CET 2021 24th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

The solubility product expression for $$\mathrm{Ca}_3\left(\mathrm{PO}_4\right)_2$$ is represented as

A
$$\mathrm{K}_{\mathrm{sp}}=\left[\mathrm{Ca}^{2+}\right]^2\left[\mathrm{PO}_4{ }^3\right]^2$$
B
$$\mathrm{K}_{\mathrm{sp}}=\left[\mathrm{Ca}^{2+}\right]^3\left[\mathrm{PO}_4{ }^3\right]^2$$
C
$$\mathrm{K}_{\mathrm{sp}}=\left[\mathrm{Ca}^{2+}\right]\left[\mathrm{PO}_4{ }^2\right]^3$$
D
$$\mathrm{K}_{\mathrm{sp}}=\left[\mathrm{Ca}^{2+}\right]\left[\mathrm{PO}_4{ }^2\right]$$
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