The correct order of bond order in the following species is:
1. | \(\mathrm{O}^{2+}_2>\mathrm{O}^+_2>\mathrm{O}^-_2\) | 2. | \(\mathrm{O}^{2+}_2<\mathrm{O}^-_2<\mathrm{O}^+_2\) |
3. | \(\mathrm{O}^{+}_2>\mathrm{O}^-_2<\mathrm{O}^{2+}_2\) | 4. | \(\mathrm{O}^{-}_2<\mathrm{O}^+_2>\mathrm{O}^{2+}_2\) |
A molecule among the following that has the maximum dipole moment is:
1. | \(\mathrm{CO_2}\) | 2. | \(\mathrm{CH_4}\) |
3. | \(\mathrm{NH_3}\) | 4. | \(\mathrm{NF_3}\) |
An electron-deficient compound among the following is:
1. | (SiH3)2 | 2. | (BH3)2 |
3. | PH3 | 4. | (CH3)2 |
Which of the following is a polar molecule?
1. | SF4 | 2. | SiF4 |
3. | XeF4 | 4. | BF3 |
A paramagnetic molecule among the following is:
1. | O2– | 2. | CN– |
3. | NO+ | 4. | CO |
Isostructural pair among the following is:
1.
2.
3.
4.
The bond order of 1.5 is shown by:
1. | \(\text O^+_2\) | 2. | \(\text O^-_2\) |
3. | \(\text O^{2-}_2\) | 4. | \(\text O_2\) |
Which of the following has the minimum bond length?
1.
2.
3.
4.
A molecule/ion among the following species that does not exist under normal conditions is:
1. \(Be^+_2\)
2. \(Be_2\)
3. \(B_2\)
4. \(Li_2\)
In which of the following molecules/ions BF3, , and H2O, the central atom is sp2 hybridized?
1.
2.
3.
4.