IN Haber process 30 L of dihydrogen and 30 L of dinitrogen were taken for reaction which yielded only 50% of the expected product. What will be the composition of gaseous mixture under the aforesaid […]
Solution of 0.1 N NH₄OH and 0.1 N NH₄Cl has pH 9.25 . Then fine out pKb of NH₄OH
Options
(a) 9.25 (b) 4.75 (c) 3.75 (d) 8.25
Correct Answer:
4.75
Explanation:
Solution […]
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 […]
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, 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
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 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
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⁺
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, then effect on equilibrium constant
Options
(a) depends on amount of concentration (b) remains unchanged (c) decreases (d) increases
Correct Answer:
remains unchanged
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