1. | 2. | ||
3. | HF | 4. |
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. | BF3 has non-zero dipole moment. |
2. | The dipole moment of NF3 is greater than that of NH3. |
3. | Three canonical forms can be drawn for \(\text{CO}_3^{2-}\) ion. |
4. | Three resonance structures can be drawn for ozone. |
1. | B > A > D > C | 2. | B > A > C > D |
3. | D > C > B > A | 4. | A > C > B > D |
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. | \( \sigma \text { 1s }<\sigma^* \text { 1s }<\sigma 2 s<\) \(\sigma^* 2 s<\left(\pi 2 p_x=\pi 2 p_y\right)<\) \(\left(\pi^* 2 p_x=\pi^* 2 p_y\right)<\sigma 2 p_z<\sigma^* 2 p_z\) |
2. | \( \sigma \text { 1s }<\sigma^* \text { 1s }<\sigma 2 s<\sigma^* 2 s<\) \(\left(\pi 2 p_x=\pi 2 p_y\right)< \) \(\sigma 2 p_z<\left(\pi^* 2 p_x=\pi^* 2 p_y\right)<\sigma^* 2 p_z \) |
3. | \( \sigma \text { 1s }<\sigma^* \text { 1s }<\sigma 2 s<\sigma^* 2 s<\sigma 2 p_z<\) \( \left(\pi 2 p_x=\pi 2 p_y\right)<\) \(\left(\pi^* 2 p_x=\pi^* 2 p_y\right)<\sigma^* 2 p_z \) |
4. | \( \sigma \text { 1s }<\sigma^* \text { 1s }\) \(<\sigma 2 s<\sigma^* 2 s<\sigma 2 p_z< \) \( \sigma^* 2 p_z<\left(\pi 2 p_x=\pi 2 p_y\right)<\) \(\left(\pi^* 2 p_x=\pi^* 2 p_y\right) \) |