Incorrect statement about resonance is :
1. The resonating structures are hypothetical.
2. The unpaired electrons in various resonating structures are same.
3. Hybrid structure is most energetic.
4. Hybrid structure is least energetic.
A bent T-shape molecule among the following is:
1. \(\mathrm{ICl}^-_4\)
2. \(\mathrm{PCl}_3\)
3. \(\mathrm{BrF}_3\)
4. \(\mathrm{I}^-_3\)
Orbital that is used by oxygen atom to form sigma bond with other oxygen atom in molecule is :
1. Pure p-orbital.
2. .
3. -hybrid orbital.
4. sp-hybrid orbital.
The geometry and the dipole moment of is:
| 1. | Angular (distorted tetrahedral) and non-zero. | 2. | Angular and zero. |
| 3. | Linear and zero. | 4. | Linear and non-zero. |
Match the oxide given in Column I with its property given in Column II:
| Column I | Column II | ||
| (i) | (a) | Neutral | |
| (ii) | (b) | Basic | |
| (iii) | (c) | Acidic | |
| (iv) | (d) | Amphoteric |
Which of the following options is correct?
| (i) | (ii) | (iii) | (iv) | |
| 1. | (b) | (a) | (d) | (c) |
| 2. | (c) | (b) | (a) | (d) |
| 3. | (a) | (d) | (b) | (c) |
| 4. | (b) | (d) | (a) | (c) |
Which of the following is the correct order of dipole moment for the species given?
1.
2.
3.
4.
The number of hydrogen bonded water molecules(s) associated with \(\mathrm{C u S O_{4} . 5 H_{2} O}\) is-
1. 3
2. 1
3. 2
4. 5
Which of the following atomic orbitals would have the greatest overlap to form the strongest covalent bond?
| 1. | 2s-2s (σ) | 2. | 2s-2p (σ) |
| 3. | 2p-2p (π) | 4. | 2p-2p (σ) |
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