A paramagnetic molecule among the following is:
1. | O2– | 2. | CN– |
3. | NO+ | 4. | CO |
Which of the following is a paramagnetic compound?
1.
2.
3.
4.
What is the correct sequence of bond order for the specified species?
1. | \(\mathrm{O}^-_2>\mathrm{O}_2>\mathrm{O}^+_2\) | 2. | \(\mathrm{O}^-_2<\mathrm{O}_2<\mathrm{O}^+_2\) |
3. | \(\mathrm{O}^-_2>\mathrm{O}_2<\mathrm{O}^+_2\) | 4. | \(\mathrm{O}^-_2<\mathrm{O}_2>\mathrm{O}^+_2\) |
A pair in which both species are not likely to exist is:
1. | \(H^+_2,He^{2-}_2\) | 2. | \(H^-_2,He^{2+}_2\) |
3. | \(H^{2+}_2,He_2\) | 4. | \(H^+_2,He^{2+}_2\) |
Combination of atoms A and B that forms an anti-bonding molecular orbital is :
1.
2.
3.
4.