Aufbau principle does not give the correct arrangement of filling up of atomic
Aufbau principle does not give the correct arrangement of filling up of atomic orbitals in Options (a) Cu and Zn…
7 years ago
Chemistry
How many FeSO₄.7H₂SO₄ will be oxidised by an acidified solution containing 9.48g
How many FeSO₄.7H₂SO₄ will be oxidised by an acidified solution containing 9.48 g KMnO₄ Options (a) 83.4 g (b) 16.7…
7 years ago
Which of the following cations has the maximum number of unpaired electrons
Which of the following cations has the maximum number of unpaired electrons Options (a) Mn²⁺ (b) Fe²⁺ (c) Co²⁺ (d)…
7 years ago
A mixture of two salts is not soluble in water but dissolves completely in dilu
A mixture of two salts is not soluble in water but dissolves completely in dilute hydrochloric acid to form a…
7 years ago
Transition metals show paramagnetism
Transition metals show paramagnetism Options (a) due to characteristic configuration (b) high lattice energy (c) due to variable oxidation states…
7 years ago
Which of the following trivalent ion has the largest atomic radii
Which of the following trivalent ion has the largest atomic radii in the lanthanide series Options (a) La (b) Pm…
7 years ago
Which of the following metals acts as the most efficient catalyst
Which of the following metals acts as the most efficient catalyst Options (a) Alkaline earth metals (b) Transition metals (c)…
7 years ago
Which of the following lanthanide is commonly used
Which of the following lanthanide is commonly used Options (a) Lanthanum (b) Nobelium (c) Thorium (d) Cerium Correct Answer: CeriumExplanation:No…
7 years ago
Which one of the following statements concerning lanthanides elements is false
Which one of the following statements concerning lanthanides elements is false Options (a) Lanthanides are separated from one another by…
7 years ago
What is the magnetic moment for Mn²⁺ ion in low spin state
What is the magnetic moment for Mn²⁺ ion in low spin state Options (a) 5.90 BM (b) 8.90 BM (c)…
7 years ago