Which of the following ions has the maximum magnetic moment
Which of the following ions has the maximum magnetic moment Options (a) Mn²⁺ (b) Fe²⁺ (c) Ti²⁺ (d) Cr²⁺ Correct…
7 years ago
D and F Block Elements
The common oxidation state shown by lanthanides in their compounds is
The common oxidation state shown by lanthanides in their compounds is Options (a) ⁺1 (b) ⁺3 (c) ⁺5 (d) ⁺6…
7 years ago
Transition elements
Transition elements Options (a) do not act as catalysts (b) have low melting point (c) exhibit variable valency (d) exhibit…
7 years ago
Which of the following is an amphoteric oxide
Which of the following is an amphoteric oxide Options (a) CrO₃ (b) Cr₂ O₃ (c) V₂ O₃ (d) TiO Correct…
7 years ago
Magnetic moment of (NH₄)₂[MnBr₄] is ___ BM
Magnetic moment of (NH₄)₂[MnBr₄] is ___ BM Options (a) 5.91 (b) 4.91 (c) 3.91 (d) 2.46 Correct Answer: 5.91Explanation:No explanation…
7 years ago
Which of the following is expected to form colourless complex
Which of the following is expected to form colourless complex Options (a) Ni²⁺ (b) Cu⁺ (c) Ti³⁺ (d) Fe³⁺ Correct…
7 years ago
In dichromate dimer
In dichromate dimer Options (a) 4 Cr - O bonds are equal (b) 6 Cr - O bonds are equal…
7 years ago
When a mixture of solid Nacl and solid K₂Cr₂O₇ is heated with concentrated sulphuric acid
When a mixture of solid Nacl and solid K₂Cr₂O₇ is heated with concentrated sulphuric acid, the orange red vapours obtained…
7 years ago
Non – lanthanide element is
Non - lanthanide element is Options (a) La (b) Lu (c) Pr (d) Pm Correct Answer: LaExplanation:No explanation available. Be…
7 years ago
The most common lanthanide is
The most common lanthanide is Options (a) samarium (b) lanthanum (c) plutonium (d) cerium Correct Answer: ceriumExplanation:No explanation available. Be…
7 years ago