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

Which of the following aqueous solutions of salts will have highest $$\mathrm{pH}$$ value?

A
$$\mathrm{CH}_3 \mathrm{COONH}_4$$
B
$$\mathrm{Na}_2 \mathrm{CO}_3$$
C
$$\mathrm{NH}_4 \mathrm{Cl}$$
D
$$\mathrm{NaCl}$$
2
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
3
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
$$7.0 \times 10^{-7} \mathrm{~mol} \mathrm{~dm}^{-3}$$
4
MHT CET 2021 22th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following is NOT a correct mathematical equation for Ostwald dilution law?

A
$$\propto=\sqrt{\frac{\mathrm{K}_{\mathrm{a}}}{\mathrm{c}}}$$
B
$$K=\frac{\alpha^2}{V}$$
C
$$\mathrm{K}=\propto^2 \mathrm{c}$$
D
$$\propto=\sqrt{\frac{\mathrm{K}_{\mathrm{a}}}{\mathrm{V}}}$$
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