NEET pH calculation Practice Questions With Solutions

NEET Chemistry pH calculation Practice Questions

Biology Physics

Question 1.

If 0.01 M acetic acid solution is 1% ionised, then pH of this acetic acid solution is:

A3

B2

C4

D1

Question 2.

The pH of the solution containing 50 mL each of 0.10 M sodium acetate and 0.01 M acetic acid is: [Given pK_a of CH₃COOH = 4.57]

A2.57

B5.57

C3.57

D4.57

Question 3.

pH of a saturated solution of $Ca \left(OH\right)_{2}$ is 9. The solubility product $K_{sp}$ of $Ca \left(OH\right)_{2}$ is:

A$0 . 5 \times \left(10\right)^{- 10}$

B$0 . 5 \times \left(10\right)^{- 15}$

C$0 . 25 \times \left(10\right)^{- 10}$

D$0 . 125 \times \left(10\right)^{- 15}$

Question 4.

The pH of a 0.01 M NaOH (aq) solution will be:

A7.01

B2

C12

D9

Question 5.

The following solutions were prepared by mixing different volumes of NaOH and HCl of different concentrations : A) $60$ $m L$ $\frac{M}{10} H C I$ $+$ $40$ $m L$ $\frac{M}{10} N a O H$ B) $55$ $m L$ $\frac{M}{10} H C I$ $+$ $45$ $m L$ $\frac{M}{10} N a O H$ C) $75$ $m L$ $\frac{M}{5} H C I$ $+$ $25$ $m L$ $\frac{M}{5} N a O H$ D) $100$ $m L$ $\frac{M}{10} H C I$ $+$ $100$ $m L$ $\frac{M}{10} N a O H$ pH of which one of them will be equal to 1?

AB

BA

CD

DC

Question 6.

When equal volumes of 0.1 M NaOH and 0.01 M HCl are mixed, the pH of the resulting solution will be:

A12.65

B2

C7

D1.04

Question 7.

Which of the following salts will give the highest pH in water?

AKCl

BNaCl

CNa₂CO₃

DCuSO₄

Question 8.

What is the [OH^-] in the final solution prepared by mixing 20.0 mL of 0.050 M HCl with 30.0 mL of 0.10 M Ba(OH)₂?

A0.10 M

B0.40 M

C0.0050 M

D0.12 M

Question 9.

Equal volumes of three acid solutions of pH 3, 4 and 5 are mixed in a vessel. What will be the H⁺ ion concentration in the mixture?

A

1.11 \times 10^{- 4}

M

B

3.7 \times 10^{- 4}

M

C

3.7 \times 10^{- 3}

M

D

1.11 \times 10^{- 3}

M

Question 10.

The pOH of a solution at 25 °C that contains 1×10^-10 M of hydronium ions is:

A7

B4.00

C9

D1

Question 1.

If a solution of 0.1 N NH₄OH and 0.1 N NH₄Cl has pH 9.25, then pK_b of NH₄OH is:

A9.25

B4.75

C3.75

D8.25

Question 2.

Incorrect statement about pH and H⁺is:

ApH of neutral water is not zero.

BAdding 1M solution of CH₃COOH and 1M solution of NaOH, the pH will be 7.

CH⁺ of dilute and hot H₂SO₄ is more than concentrate and cold H₂SO₄

DMixing solution of CH₃COOH and HCl, pH will be less than 7

Question 3.

4 gm of NaOH is dissolved in 1000 ml of water. The

H^{+}

ion concentration will be:

A10^-1 M

B10^-13 M

C10^-4 M

D10^-10 M

NEET pH calculation Practice Questions With Solutions

NEET Chemistry pH calculation Practice Questions

Question 1.

Question 2.

Question 3.

Question 4.

Question 5.

Question 6.

Question 7.

Question 8.

Question 9.

Question 10.

Question 1.

Question 2.

Question 3.

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