1. | B > A > D > C | 2. | B > A > C > D |
3. | D > C > B > A | 4. | A > C > B > D |
List I (Compound ) |
List II (Shape/geometry) |
||
A. | NH3 | I. | Trigonal Pyramidal |
B. | BrF5 | II. | Square planar |
C. | XeF4 | III. | Octahedral |
D. | SF6 | IV. | Square Pyramidal |
1. | 2. | ||
3. | HF | 4. |
1. | \(\mathrm{CCl_4}\) | 2. | \(\mathrm{HI}\) |
3. | \(\mathrm{CO_2}\) | 4. | \(\mathrm{BF}_3\) |
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 |
1. | \(\pi^*\) antibonding molecular orbital has a node between the nuclei. | The
2. | In the formation of a bonding molecular orbital, the two electron waves of the bonding atoms reinforce each other. |
3. | \(2P_x\) and \(2P_y\) orbitals are symmetrical around the bond axis. | Molecular orbitals obtained from
4. | \(\pi-\)bonding molecular orbital has larger electron density above and below the internuclear axis. | A