Column-I (Molecule) |
Column-II (Bond enthalpy) \(\left(k J \mathrm{~mol}^{-1}\right)\) |
||
A. | HCl | I. | 435.8 |
B. | \(\mathrm{N_2}\) | II. | 498 |
C. | \(\mathrm{H_2}\) | III. | 946.0 |
D. | \(\mathrm{O_2}\) | IV. | 431.0 |
Which of the following species contains an equal number of and bonds?
1.
2.
3.
4. CH2(CN)2
Which one of the following bonds produces a solid that reflects light in the visible region and whose electrical conductivity decreases with temperature and has a high melting point?
1. Metallic bonding
2. Van der Waals' bonding
3. Ionic bonding
4. Covalent bonding
What is the dominant intermolecular force or bond that must be overcome in converting liquid CH3OH to a gas?
1. Hydrogen bonding
2. Dipole-dipole interaction
3. Covalent bonds
4. London dispersion force
The correct order of C-O bond length among CO, , CO2 is:
1.
2.
3.
4.