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1
MHT CET 2021 21th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

The pH of 0.005 M KOH is 9.95. Calculate the [OH$$^-$$] ?

A
6.71 $$\times$$ 10$$^{-4}$$ M
B
1.12 $$\times$$ 10$$^{-4}$$ M
C
4.45 $$\times$$ 10$$^{-5}$$ M
D
8.91 $$\times$$ 10$$^{-5}$$ M
2
MHT CET 2021 21th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which among the following salts turns blue litmus red in it's aqueous solution?

A
NH$$_4$$CN
B
NH$$_4$$F
C
CH$$_3$$COONa
D
CH$$_3$$COONH$$_4$$
3
MHT CET 2021 21th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

What is the pH of 0.02 M NaOH solution?

A
10.3
B
11.3
C
11.7
D
12.3
4
MHT CET 2021 21th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Dissociation constant of propionic acid is $$1.32 \times 10^{-5}$$. Calculate the degree of dissociation of acid in $$0.05 \mathrm{~M}$$ solution.

A
$$2.6 \times 10^{-4}$$
B
$$1.61 \times 10^{-2}$$
C
$$1.90 \times 10^{-2}$$
D
$$3.5 \times 10^{-5}$$
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