CaCO₃ ⇌ CaO + CO₂ reaction in a lime kiln goes to completion because
CaCO₃ ⇌ CaO + CO₂ reaction in a lime kiln goes to completion because Options (a) CaO does not react…
7 years ago
Equilibrium
If concentration of reactants is increased by ‘x’,then the K becomes
If concentration of reactants is increased by 'x',then the K becomes Options (a) K + x (b) ln K /x…
7 years ago
The pH value of 10⁻⁸ M HCl is
The pH value of 10⁻⁸ M HCl is Options (a) more than 7 (b) less than 7 (c) equal to…
7 years ago
The solubility product of a sparingly soluble salt AB at room temperature
The solubility product of a sparingly soluble salt AB at room temperature is 1.21 x 10⁻⁶.Its molar solubility is Options…
7 years ago
If a 0.00001 M solution of HCl is diluted thousand folds the pH of the resulting
If a 0.00001 M solution of HCl is diluted thousand folds the pH of the resulting solution is Options (a)…
7 years ago
40 mg of pure sodium peroxide is dissolved in 10L of distilled water. The pH of
40 mg of pure sodium peroxide is dissolved in 10L of distilled water. The pH of the solution is Options…
7 years ago
Which of the following will not act as a buffer?
Which of the following will not act as a buffer? Options (a) NaHCO₃ + H₂CO₃ (b) NaOH + NaCl (c)…
7 years ago
An increase in pressure would favour which of the following reaction?
An increase in pressure would favour which of the following reaction? Options (a) N₂ + O₂ ⇌ 2NO (b) N₂O₄…
7 years ago
The hydrogen ion concentration in mol/dm, in a 0.2 M solution of a weak acid
The hydrogen ion concentration in mol/dm, in a 0.2 M solution of a weak acid HA (Ka = 2 x…
7 years ago
Which of the following is a buffer solution?
Which of the following is a buffer solution? Options (a) K₂SO₄ + H₂SO₄ (b) NaOH + Na₂SO₄ (c) NaOH +…
7 years ago