Which has highest pH
Which has highest pH
Options
(a) CH₃COOK (b) Na₂ CO₃ (c) NH₄Cl (d) NaNO₃
Correct Answer:
Na₂ CO₃
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
Questions
Solubility of MX₂ – type electrolytes is 0.5 ˣ 10⁻⁴ mol/L.,
Solubility of MX₂ – type electrolytes is 0.5 ˣ 10⁻⁴ mol/L., then fine out Ksp of electrolytes
Options
(a) 5 ˣ 10⁻¹² (b) 25 ˣ 10⁻¹⁰ (c) 1 ˣ 10⁻¹³ (d) 5 ˣ […]
Reaction BaO₂(s) ⇌ BaO(s) + O₂(g) ; ΔH = +ve.In equilibrium condition,
Reaction BaO₂(s) ⇌ BaO(s) + O₂(g) ; ΔH = +ve.In equilibrium condition, pressure of O₂ depends on
Options
(a) increase in mass of BaO₂ (b) increase in mass of BaO (c) increase in […]
Solubility of M₂S salt is 3.5 ˣ 10⁻⁶ then find out solubility product
Solubility of M₂S salt is 3.5 ˣ 10⁻⁶ then find out solubility product
Options
(a) 1.7 ˣ 10⁻⁶ (b) 1.7 ˣ 10⁻¹⁶ (c) 1.7 ˣ 10⁻¹⁸ (d) 1.7 ˣ 10⁻¹²
Correct Answer:
1.7 ˣ […]
Ionisation constant of CH₃COOH is 1.7 ˣ 10⁻⁵ and concentration of H⁺ ions
Ionisation constant of CH₃COOH is 1.7 ˣ 10⁻⁵ and concentration of H⁺ ions is 3.4 ˣ 10⁻⁴.Then find out initial concentration of CH₃COOH molecules
Options
(a) 3.4 ˣ 10⁻⁴ (b) 3.4 ˣ 10⁻³ […]
In HS⁻, I⁻, R-NH₂, NH₃ order of proton accepting tendency will be
In HS⁻, I⁻, R-NH₂, NH₃ order of proton accepting tendency will be
Options
(a) I⁻ > NH₃ > R-NH₂ > HS⁻ (b) NH₃ > R-NH₂ > HS⁻ > I⁻ (c) R-NH₂ > NH₃ […]
Which statements is wrong about pH and H⁺
Which statements is wrong about pH and H⁺
Options
(a) pH of neutral water is not zero (b) Adding 1 N solution of CH₃COOH and NaOH pH will be seven (c) pH of […]
For a reversible reaction, if we increase concentration of the reactants,
For a reversible reaction, if we increase concentration of the reactants, then effect on equilibrium constant
Options
(a) depends on amount of concentration (b) remains unchanged (c) decreases (d) increases
Correct Answer:
remains unchanged
Correct relation between dissociation constant of a dibasic acid is
Correct relation between dissociation constant of a dibasic acid is
Options
(a) Ka₁ = Ka₂ (b) Ka₁ > Ka₂ (c) Ka₁ < Ka₂ (d) Ka₁ = 1/Ka₂
Correct Answer:
Ka₁ > Ka₂
The solubility of saturated solution of calcium fluoride is 2 ˣ 10⁻⁴ moles
The solubility of saturated solution of calcium fluoride is 2 ˣ 10⁻⁴ moles per litre.Its solubility product is
Options
(a) 22 ˣ 10⁻¹¹ (b) 14 ˣ 10⁻⁴ (c) 2 ˣ 10⁻² (d) 32 […]