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

1. 7.01

2. 2

3. 12

4. 9

Subtopic:  pH calculation |
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Which of the following cannot act both as a Bronsted acid and as a Bronsted base?

1. HCO3-

2. NH3

3. HCl

4. HSO4-

Subtopic:  Acids & Bases - Definitions & Classification |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology

The molar solubility of CaF2 (Ksp=5.3 x 10-11) in 0.1 M solution of NaF will be:

1. 5.3 x 10-11 mol L-1

2. 5.3 x 10-8 mol L-1

3. 5.3 x 10-9 mol L-1

4. 5.3 x 10-10 mol L-1

Subtopic:  Solubility Product |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology

The conjugate bases of Bronsted acids H2O and HF are respectively:

1.  H3O+ and H2F+, respectively

2.  OH- and H2F+, respectively

3.  H3O+ and F-, respectively

4.  OH- and F-, respectively

Subtopic:  Acids & Bases - Definitions & Classification |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology

pH of a saturated solution of CaOH2 is 9. The solubility product Ksp of CaOH2 is:

1.  0.5×10-10

2.  0.5×10-15

3.  0.25×10-10

4.  0.125×10-15

Subtopic:  pH calculation |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology

Which will make basic buffer:

1.  100 mL of 0.1 M HCl+100 mL of 0.1 M NaOH

2.  50 mL of 0.1 M NaOH+25 mL of 0.1 M CH3COOH

3.  100 mL of 0.1 M CH3COOH+100 mL of 0.1 M NaOH

4.  100 mL of 0.1 M HCl+200 mL of 0.1 M NH4OH

Subtopic:  Buffer |
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The hydrogen ion concentration of a 10-8 M HCl aqueous solution at 298 K (Kw = 10-14) is :

1. 1.0×10-6 M

2. 1.0525×10-7 M

3. 9.525×10-8 M

4. 1.0×10-8 M

Subtopic:  pH calculation |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology

Which of the following pairs constitutes a buffer?

1. HNO2 and NaNO2

2. NaOH and NaCl

3. HNO3 and NH4NO3

4. HCl and KCl

Subtopic:  Buffer |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology

For the reaction, 
CH4(g) + 2O2(gCO2(g) + 2H2O(l
ΔrH = -170.8 kJ mol-1 
Which of the following statements is not true?

1. At equilibrium, the concentration of CO2g and water (l) are not equal.

2. The equilibrium constant for the reaction is given by Kp=[CO2][CH4][O2]

3. Addition of CH4g or O2g at equilibrium will cause a shift to the right

4. The reaction is exothermic

Subtopic:  Kp, Kc & Factors Affecting them |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology

Which one of the following orders correctly represents the increasing acid strengths of the given acids?

1. HOCl<HOClO<HOClO2<HOClO3

2. HOClO<HOCl<HOClO3<HOClO2

3. HOClO2<HOClO3<HOClO<HOCl

4. HOClO3<HOClO2<HOClO<HOCl

Subtopic:  Acids & Bases - Definitions & Classification |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology