Questions

The concentration of [H⁺] and [OH⁻] of a 0.1 M aqueous solution of 2% ionised

The concentration of [H⁺] and [OH⁻] of a 0.1 M aqueous solution of 2% ionised weak acid is [ionic product…

The strongest conjugate base is

The strongest conjugate base is Options (a) SO₄²⁻ (b) Cl⁻ (c) NO₃⁻ (d) CH₃COO⁻ Correct Answer: CH₃COO⁻Explanation:No explanation available. Be…

A physician wishes to prepare a buffer solution at pH = 3.85

A physician wishes to prepare a buffer solution at pH = 3.85 that efficiently resists changes in pH yet contains…

If α is dissociation constant, then the total number of moles for the reaction

If α is dissociation constant, then the total number of moles for the reaction 2HI ⇌ H₂ + I₂ will…

In liquid-gas equilibrium,the pressure of vapours above the liquid is constant

In liquid-gas equilibrium,the pressure of vapours above the liquid is constant at Options (a) constant temperature (b) low temperature (c)…

The solubility of AgCl will be minimum in

The solubility of AgCl will be minimum in Options (a) 0.01 M CaCl₂ (b) pure water (c) 0.001 M AgNO₃…

The pH value of a 10 M solution of HCl is

The pH value of a 10 M solution of HCl is Options (a) equal to 1 (b) equal to 2…

The pH value of blood does not appreciably change by a small addition

The pH value of blood does not appreciably change by a small addition of an acid or a base,because the…

Which one of the following is most soluble

Which one of the following is most soluble Options (a) Bi₂S₃ (Ksp = 1 ˣ 10⁻⁷⁰) (b) Ag₂S (Ksp =…

Which of the following is not a cheracteristic of equilibrium

Which of the following is not a characteristic of equilibrium Options (a) Rate is equal in both directions (b) Measurable…