Reaction BaO₂(s) ⇌ BaO(s) + O₂(g) ; ΔH = +ve.In equilibrium condition, pressure of O₂ depends on
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(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
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(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 is 3.4 ˣ 10⁻⁴.Then find out initial concentration of CH₃COOH molecules
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(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
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(a) I⁻ > NH₃ > R-NH₂ > HS⁻ (b) NH₃ > R-NH₂ > HS⁻ > I⁻ (c) R-NH₂ > NH₃ […]
Which statements is wrong about pH and H⁺
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(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, then effect on equilibrium constant
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(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
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(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 per litre.Its solubility product is
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(a) 22 ˣ 10⁻¹¹ (b) 14 ˣ 10⁻⁴ (c) 2 ˣ 10⁻² (d) 32 […]
The concentration of [H⁺] and [OH⁻] of a 0.1 M aqueous solution of 2% ionised weak acid is [ionic product of water = 1 ˣ 10⁻¹⁴]
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(a) 2 ˣ 10⁻³ M and […]
The strongest conjugate base is
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(a) SO₄²⁻ (b) Cl⁻ (c) NO₃⁻ (d) CH₃COO⁻
Correct Answer:
CH₃COO⁻
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
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