The magnetic moment of Sc³⁺ is
The magnetic moment of Sc³⁺ is
Options
(a) 1.86 (b) 2.76 (c) 0 (d) 1.76
Correct Answer:
0
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
D and F Block Elements
Which of the following metal is not ferromagnetic
Which of the following metal is not ferromagnetic
Options
(a) Cobalt (b) Iron (c) Manganese (d) Nickel
Correct Answer:
Manganese
Explanation:
The substances which are strongly attracted by the magnetic field and show permanent […]
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 (d) high ionisation energy
Correct Answer:
covalent bonding
Explanation:
The hardness of transition […]
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) U-248
Correct Answer:
U-235
Explanation:
No explanation available. Be the first to write […]
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:
1
Explanation:
No explanation available. Be the first to write the explanation for this question […]
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 explanation available. Be the first to write the explanation for […]
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 acid (c) peroxydisulphate (d) dichromate
Correct Answer:
peroxydisulphate
Explanation:
No explanation available. Be […]
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) basic,amphoteric and acidic (c) acidic,amphoteric and basic (d) acidic , basic and amptoteric
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 Answer:
Fe³⁺
Explanation:
No explanation available. Be the first to write the explanation […]
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⁺ and Cr²⁺ (b) Ti²⁺ and Cr²⁺ (c) Mn³⁺ and Co³⁺ (d) V²⁺ and […]