Which of othe following is paramagnetic?
Which of the following is paramagnetic?
Options
(a) O₂⁻ (b) CN⁻ (c) NO⁺ (d) CO
Correct Answer:
O₂⁻
Explanation:
O₂⁻ (17) = σ1s², σ*1s², σ2s², σ*2s², σ2pₖ², π2pᵢ² = π2pⱼ², π*2pᵢ² = π*2pⱼ¹
Chemical Bonding and Molecular Structure
Bond order of 1.5 is shown by:
Bond order of 1.5 is shown by:
Options
(a) O₂⁺ (b) O₂⁻ (c) O₂²⁻ (d) O₂⁻
Correct Answer:
O₂⁻
Explanation:
No explanation available. Be the first to write the explanation for this question […]
The correct order in which the O–O bond length increases in the following is
The correct order in which the O–O bond length increases in the following is
Options
(a) H₂O₂ < O₂ < O₃ (b) O₃ < H₂O₂ < O₂ (c) O₂ < O₃ < H₂O₂ […]
Which of the following represents correct decreasing order of polarity?
Which of the following represents correct decreasing order of polarity?
Options
(a) NH₃ > PH₃ > AsH₃ > SbH₃ (b) NH₃ >SbH₃ > AsH₃ > PH₃ (c) SbH₃ > AsH₃ > PH₃ > […]
In which of the folowing pair both the species have sp³ hybridization?
In which of the folowing pair both the species have sp³ hybridization?
Options
(a) H₂S, BF₃ (b) SiF₄, BeH₂ (c) NF₃, H₂O (d) NF₃, BF₃
Correct Answer:
NF₃, H₂O
Explanation:
Applying VSEPR theory, […]
The correct sequence of increasing covalent character is represented by
The correct sequence of increasing covalent character is represented by
Options
(a) LiCl < NaCl < BeCl₂ (b) BeCl₂ < LiCl < NaCl (c) NaCl < LiCl < BeCl₂ (d) BeCl₂ < NaCl […]
The correct order of acidic strength of oxides of nitrogen, is
The correct order of acidic strength of oxides of nitrogen, is
Options
(a) NO < NO₂ < N₂O < N₂O₃ < N₂O₅ (b) N₂O < NO < N₂O₃ < N₂O₄ < N₂O₅ (c) […]
When two atoms of chlorine combine to form one molecule of chlorine gas
When two atoms of chlorine combine to form one molecule of chlorine gas, the energy of molecule
Options
(a) equal to that of separate atoms (b) lower than that of separate atoms (c) […]
The lattice energy order for lithium halide is
The lattice energy order for lithium halide is
Options
(a) LiF > liCl > LiBr > LiI (b) LiCl > LiF > LiBr > LiI (c) LiBr > LiCl > LiF > LiI […]
I₄O₉ is a/an
I₄O₉ is a/an
Options
(a) Ionic compound (b) Covalent compound (c) Coordinate compound (d) double salt
Correct Answer:
ionic compound
Explanation:
I₄O₉ is actually I(IO₃)₃. It is an ionic compound. I(IO₃)₃ ⇌ I³⁺ […]