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1
MHT CET 2023 12th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A buffer solution is prepared by mixing $$0.01 \mathrm{~M}$$ weak acid and $$0.05 \mathrm{~M}$$ solution of a salt of weak acid and strong base. What is the $$\mathrm{pH}$$ of buffer solution? $$(\mathrm{pKa}=4.74)$$

A
3.34
B
4.80
C
5.44
D
6.93
2
MHT CET 2023 12th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which among the following is NOT an example of salt of strong acid and weak base?

A
$$\mathrm{NH}_4 \mathrm{Cl}$$
B
$$\mathrm{NH}_4 \mathrm{NO}_3$$
C
$$\mathrm{CuSO}_4$$
D
$$\mathrm{Na}_2 \mathrm{SO}_4$$
3
MHT CET 2023 12th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Find $$[\mathrm{OH}]$$ if a monoacidic base is $$3 \%$$ ionised in its $$0.04 \mathrm{~M}$$ solution.

A
$$3.1 \times 10^{-2} \mathrm{~mol} \mathrm{~L}^{-1}$$
B
$$4.5 \times 10^{-3} \mathrm{~mol} \mathrm{~L}^{-1}$$
C
$$9.0 \times 10^{-2} \mathrm{~mol} \mathrm{~L}^{-1}$$
D
$$1.2 \times 10^{-3} \mathrm{~mol} \mathrm{~L}^{-1}$$
4
MHT CET 2023 12th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

What is the expression for solubility product of silver chromate if it's solubility is expressed as $$\mathrm{S} \mathrm{~mol} \mathrm{~L}^{-1}$$ ?

A
$$2 \mathrm{~S}^2$$
B
$$3 \mathrm{~S}^3$$
C
$$4 \mathrm{~S}^3$$
D
$$27 \mathrm{~S}^4$$
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