The oxidation states of Mn in MnSO₄,MnO₂,K₂MnO₄ and KMnO₄ are respectively
The oxidation states of Mn in MnSO₄,MnO₂,K₂MnO₄ and KMnO₄ are respectively Options (a) 1,2,4,4 (b) 2,4,6,7 (c) 1,2,4,6 (d) 2,4,7,6…
7 years ago
Chemistry
A mixture of potassium chlorate, oxalic acid and sulphuric acid is heated.
A mixture of potassium chlorate, oxalic acid and sulphuric acid is heated.During the reaction which element undergoes maximum change in…
7 years ago
When Cl₂ gas reacts with hot and concentration sodium hydroxide solution,
When Cl₂ gas reacts with hot and concentration sodium hydroxide solution,the oxidation number of chlorine changes from Options (a) zero…
7 years ago
Oxidation numbers of P in PO₄³⁻, of S in SO₄²⁻ and that of Cr in Cr₂O₇²⁻
Oxidation numbers of P in PO₄³⁻, of S in SO₄²⁻ and that of Cr in Cr₂O₇²⁻ are respectively Options (a)…
7 years ago
In a buffer solution containing equal concentration of B⁻ and HB,
In a buffer solution containing equal concentration of B⁻ and HB, the Kb for B⁻ is 10⁻¹⁰.The pH of buffer…
7 years ago
If pH of a saturated solution of Ba(OH)₂ is 12, the value of its Ksp is
If pH of a saturated solution of Ba(OH)₂ is 12, the value of its Ksp is Options (a) 4.00 ˣ…
7 years ago
At 25⁰C, the dissociation constant of a base, BOH, is 1.0 ˣ 10⁻¹².
At 25⁰C, the dissociation constant of a base, BOH, is 1.0 ˣ 10⁻¹². The concentration of hydroxyl ions in 0.01…
7 years ago
The rapid change of pH near the stoichiometric point of an acid-base titration
The rapid change of pH near the stoichiometric point of an acid-base titration is the basis of indicator detection.pH of…
7 years ago
The solubility product of a sparingly soluble salt AX₂ is 3.2 ˣ 10⁻¹¹.
The solubility product of a sparingly soluble salt AX₂ is 3.2 ˣ 10⁻¹¹.Its solubility (in mol/L)is Options (a) 5.6 ˣ…
7 years ago
The solubility product of AgI at 25⁰C is 1.0 ˣ 10⁻¹⁶ mol² L⁻².
The solubility product of AgI at 25⁰C is 1.0 ˣ 10⁻¹⁶ mol² L⁻². The solubility of AgI in 10⁻⁴ N…
7 years ago