The compound that forms linear polymer due to H-bond is:
1. | H2O | 2. | NH3 |
3. | HBr | 4. | HCl |
How many antibonding electron pair(s) is/are present in the \(O_{2}^{2-}\) ion?
1. | 4 | 2. | 3 |
3. | 2 | 4. | 1 |
The correct order of dissociation energy of N2 and N2+ is:
1. | N2 > N2+ | 2. | N2 = N2+ |
3. | N2+> N2 | 4. | None of the above |
Among the options given below, identify the Isoelectronic species:
1. CO, CN–, NO+, C22–
2. CO–, CN, NO, C2–
3. CO+, CN+, NO–, C2
4. CO, CN, NO, C2
The correct order in which the O-O bond length increases in the following is:
1.
2.
3.
4.
Which of the following molecules has trigonal planar geometry:
1. | NH3 | 2. | BF3 |
3. | PCl3 | 4. | IF3 |
Which of the following would have a permanent dipole moment?
1. BF3
2. SF4
3. SiF4
4. XeF4
The correct sequence of increasing covalent character is represented by:
1.
2.
3.
4.
Which of the following is the electron deficient molecule:
1. C2H6
2. SiH4
3. PH3
4. B2H6
A species that does not exhibit paramagnetism is:
1. N2+
2. O2–
3. CO
4. NO