The pH of solution containing 0.10 M sodium acetate and 0.03 M acetic acid is (pKa for CH₃COOH = 4.57)
Options
(a) 4.09 (b) 6.09 (c) 5.09 (d) 7.09
Correct Answer:
5.09
Explanation: […]
When the temperature of reactions will increases then the effect on pH value will
Options
(a) increases (b) decreases (c) first increases then decreases (d) remains same
Correct Answer:
decreases
Explanation:
No explanation […]
The pH value of 0.1 M NaOH solution is (when there is a given reaction [H⁺][OH⁻] = 10⁻¹⁴)
Options
(a) 13 (b) 12 (c) 11 (d) 2
Correct Answer:
13
Explanation:
No explanation […]
The unit in which the solubility product of barium phosphate is expressed as
Options
(a) mol² dm⁻⁶ (b) mol³ dm⁻⁹ (c) mol⁴ dm⁻¹² (d) mol⁵ dm⁻¹⁵
Correct Answer:
mol⁵ dm⁻¹⁵
Explanation:
No explanation […]
Which of the following does not acts as Lewis acid
Options
(a) BF₃ (b) SnCl₄ (c) CCl₄ (d) SF₃
Correct Answer:
CCl₄
Explanation:
No explanation available. Be the first to write the explanation […]
The solubility of BaSO₄, in water, is 2.33 ˣ 10⁻³ g/L.Its solubility product will be (molecular weight of BaSO₄ = 233)
Options
(a) 1 ˣ 10⁻¹⁵ (b) 1 ˣ 10⁻¹⁰ (c) 1 ˣ […]
In the gas phase reaction C₂H₂ + H₂ ⇌ C₂H₆, the equilibrium constant can be expressed in
Options
(a) mol L⁻¹ (b) mol L⁻² (c) mol⁻¹ L⁻¹ (d) L mol⁻¹
Correct Answer:
L […]
In the reaction : I₂ + I⁻ → I₃⁻, the Lewis base is
Options
(a) I⁻ (b) I₂ (c) I₃⁻ (d) none of these
Correct Answer:
I⁻
Explanation:
No explanation available. Be the […]
A solution with pH = 2 is more acidic then one with a pH = 6 , by a factor
Options
(a) 4000 (b) 5000 (c) 8000 (d) 10000
Correct Answer:
10000
Explanation: […]
The aqueous solution of which of the following salt will have the lowest pH
Options
(a) NaClO₃ (b) NaClO (c) NaClO₄ (d) NaClO₂
Correct Answer:
NaClO₄
Explanation:
NaClO₄, on hydrolysis, gives strongest acid […]
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