The hardness of transition elements is due to their
The hardness of transition elements is due to their Options (a) large atomic size (b) metallic bonding (c) covalent bonding…
7 years ago
Chemistry
Which of the following atomic number of uranium is the most radioactive
Which of the following atomic number of uranium is the most radioactive Options (a) U-226 (b) U-238 (c) U-235 (d)…
7 years ago
Oxidation state of iron in [Fe(H₂O)₅NO]SO₄ is
Oxidation state of iron in [Fe(H₂O)₅NO]SO₄ is Options (a) 1 (b) 2 (c) 3 (d) 4 Correct Answer: 1Explanation:No explanation…
7 years ago
Permanganate ion changes to ….. in acidic medium
Permanganate ion changes to ..... in acidic medium Options (a) MnO₄²⁻ (b) Mn²⁺ (c) Mn³⁺ (d) MnO₂ Correct Answer: Mn²⁺Explanation:No…
7 years ago
In the laboratory, manganese(II) salt is oxidised to permanganate ion in aqueous
In the laboratory, manganese(II) salt is oxidised to permanganate ion in aqueous solution by Options (a) hydrogen peroxide (b) conc.nitric…
7 years ago
The acidic, basic or amphoteric nature of Mn₂O₇, V₂O₅ and CrO are respectively
The acidic, basic or amphoteric nature of Mn₂O₇, V₂O₅ and CrO are respectively Options (a) acidic, acidic and basic (b)…
7 years ago
which of the following ions has the maximum magnetic moment
which of the following ions has the maximum magnetic moment Options (a) Sc³⁺ (b) Ti³⁺ (c) Fe³⁺ (d) V³⁺ Correct…
7 years ago
Which of the following pairs of transition metal ions are the stronger oxidisi
Which of the following pairs of transition metal ions are the stronger oxidising agents in aqueous solution Options (a) V²⁺…
7 years ago
Fine the magnetic moment of a divalent ion in aqueous solution if its atomic
Fine the magnetic moment of a divalent ion in aqueous solution if its atomic number is 25 Options (a) 3.9…
7 years ago
Vanadium (III) oxide is a strong
Vanadium (III) oxide is a strong Options (a) drying agent (b) oxidising agent (c) reducing agent (d) wetting agent Correct…
7 years ago