Which one of the following ions has electronic configuration[Ar] 3d⁶?
Which one of the following ions has electronic configuration[Ar] 3d⁶? (At. no: Mn=25, Fe=26, Co=27, Ni=28) Options (a) Ni³⁺ (b)…
7 years ago
Easy
The pair of species that has the same bond order in the following is:
The pair of species that has the same bond order in the following is: Options (a) O₂, B₂ (b) CO,…
7 years ago
Which of the following is isoelectronic?
Which of the following is isoelectronic? Options (a) CO2, NO₂ (b) NO₂⁻, CO₂ (c) CN⁻, CO (d) SO₂, CO₂ Correct…
7 years ago
The ion that is isoelectronic with CO is
The ion that is isoelectronic with CO is Options (a) CN⁻ (b) O₂⁺ (c) O₂⁻ (d) N₂⁺ Correct Answer: CN⁻Explanation:We…
7 years ago
The species having maximum stability is
The species having maximum stability is Options (a) CN⁺ (b) CN (c) CN⁻ (d) NO Correct Answer: CN⁻Explanation:In CN⁺, CN,…
7 years ago
The correct order of increasing bond angles in the following species is
The correct order of increasing bond angles in the following species is Options (a) Cl₂O < ClO₂ < ClO₂⁻ (b)…
7 years ago
Which one of the following oxides is expected to exhibit paramagnetic behaviour?
Which one of the following oxides is expected to exhibit paramagnetic behaviour? Options (a) CO₂ (b) SiO₂ (c) SO₂ (d)…
7 years ago
Which of the following species has four lone pairs of electrons?
Which of the following species has four lone pairs of electrons? Options (a) I (b) O⁻ (c) Cl⁻ (d) He…
7 years ago
Among the elements Ca, Mg, P and Cl, the order of increasing atomic radii is :
Among the elements Ca, Mg, P and Cl, the order of increasing atomic radii is : Options (a) Ca <…
7 years ago
Which one of the following elements has the maximum electron affinity?
Which one of the following elements has the maximum electron affinity? Options (a) F (b) Cl (c) Br (d) I…
7 years ago