Each P of P4O10 is attached to how many oxygen atoms?
1.3
2.2.5
3.2
4.4
Find the paramagnetic species
1. CN–
2.NO+
3.CO
4.O2–
O-O bond length is minimum in
1.O2–
2.O2
3.O2+
4.O22-
Which of the following is not paramagnetic?
1.CO
2. N2+
3. NO
4.O2–
Which of the following pairs has the same bond order?
1. O2+, NO+
2.N2, O2
3.O22-, B2
4. NO, CO
Find the diamagnetic species
1.H2
2. H2–
3.He2+
4. H2+
Find the molecule having the highest bond order
1. O2+
2.O2–
3.O22-
4.O2
Which among the following has the shortest C-C bond length?
1.Ethene
2.Ethane
3. Benzene
4.Ethyne
The oxygen molecule is paramagnetic. It can be explained by
1. Resonance
2.Hybridisation
3.Valence bond theory
4.Molecular orbital theory
When O2 changes to O2–, the electron goes to which of the orbitals?
1. 𝜋 orbital
2.𝜎 orbital
3.𝜋* orbital
4. 𝜎* orbital