1
TS EAMCET 2022 (Online) 18th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

The pH of pure water at $80^{\circ} \mathrm{C}$ is

A

7.0

B

$\infty$

C

$>7.0$

D

$<7.0$

2
TS EAMCET 2020 (Online) 14th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

pH of 0.05 M aqueous solution of diethyl amine is 10 . The value of equilibrium constant is

A

$4 \times 10^{-7}$

B

$2 \times 10^{-7}$

C

$2 \times 10^{-3}$

D

$4 \times 10^{-3}$

3
TS EAMCET 2020 (Online) 11th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

The pH of the solution, when

(i) sodium acetate is dissolved in water.

(ii) ammonium chloride is dissolved in water.

A

(i) $\mathrm{pH}>7$   (ii) $\mathrm{pH}<7$

B

(i) $\mathrm{pH}=7$   (ii) $\mathrm{pH}=0$

C

(i) $\mathrm{pH}>7$    (ii) $\mathrm{pH}>7$

D

(i) $\mathrm{pH}<7$    (ii) $\mathrm{pH}>7$

4
TS EAMCET 2020 (Online) 11th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

What is the pH of 10 L of a buffer solution containing $0.01 \mathrm{M} \mathrm{NH}_4 \mathrm{Cl}$ and $0.1 \mathrm{M} \mathrm{NH}_4 \mathrm{OH}$ having $\mathrm{pK}_b$ of 5 ?

A

8

B

7

C

10

D

5

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