Match the following:
Oxide | Nature |
(a) CO | (i) Basic |
(b) BaO | (ii) Neutral |
(c) Al2O3 | (iii) Acidic |
(d) Cl2O7 | (iv) Amphoteric |
Which of the following is the correct option?
a | b | c | d | |
1. | (ii) | (i) | (iv) | (iii) |
2. | (iii) | (iv) | (i) | (ii) |
3. | (iv) | (iii) | (ii) | (i) |
4. | (i) | (ii) | (iii) | (iv) |
Electron deficient species among the following is:
1.
2.
3.
4.
Non-Zero dipole moment is shown by :
1.
2. p-Dichlorobenzene
3. Carbontetrachloride
4. Water.
An incorrect statement regarding resonating structures is :
1. | The contributing structure must have the same number of unpaired electrons. |
2. | The contributing structures should have similar energies. |
3. | The resonance hybrid should have a higher energy than any of the contributing structures. |
4. | None of the above. |
An ion having the shortest bond length among the following is -
1.
2.
3.
4.
Assuming that Hund's rule is violated, the bond order and magnetic nature of the diatomic molecule is:
1. | 1 and diamagnetic | 2. | 0 and diamagnetic |
3. | 1 and paramagnetic | 4. | 0 and paramagnetic |
Among the following the maximum covalent character is shown by the compound:
(1) FeCl2
(2) SnCl2
(3) AlCl3
(4) MgCl2