Q. No.In , formal charge on every oxygen atom and P-O bond order respectively are:
1. -0.75 and 1.25
2. -0.5 and 2
3. 1 and 1.5
4. -0.75 and 2
1. -0.75 and 1.25
2. -0.5 and 2
3. 1 and 1.5
4. -0.75 and 2
In a regular octahedral molecule, MX6, the number of X–M–X bonds at 180º is:
| 1. | Two | 2. | Six |
| 3. | Four | 4. | Three |
In NO3– ion, the number of bond pair and lone pair of electrons on nitrogen atom are respectively:
| 1. | 2, 2 | 2. | 3, 1 |
| 3. | 1, 3 | 4. | 4, 0 |
The incorrect statements among the following are-
| (a) | NaCl being an ionic compound is a good conductor of electricity in the solid-state |
| (b) | In canonical structure, there is a difference in the arrangement of atoms |
| (c) | Hybrid orbitals form stronger bonds than pure orbitals |
| (d) | VSEPR theory can explain the square planar geometry of XeF4 |
| 1. | (a) and (b) only | 2. | (b) and (c) only |
| 3. | (c) and (d) only | 4. | (b) and (d) only |
Match List - I with List - II
| List - I | List - II | ||
| (a) | (i) | Square pyramidal | |
| (b) | (ii) | Trigonal planar | |
| (c) | (iii) | Octahedral | |
| (d) | (iv) | Trigonal bipyramidal |
Choose the correct answer from the options given below:
| (a) | (b) | (c) | (d) | |
| 1. | (iii) | (i) | (iv) | (ii) |
| 2. | (iv) | (iii) | (ii) | (i) |
| 3. | (iv) | (iii) | (i) | (ii) |
| 4. | (ii) | (iii) | (iv) | (i) |
Correct Lewis structure of the nitrite ion, \(NO_{2}^{-}\) among the following is:
| 1. |  |
2. |  |
| 3. |  |
4. | None of the above |
From the perspective of molecular orbital theory, which statement is false?
| 1. | is not a stable molecule. |
| 2. | is not stable but is expected to exist. |
| 3. | Bond strength of is maximum amongst the homonuclear diatomic molecules belonging to the second period. |
| 4. | The order of energies of molecular orbitals in molecule is:
|
1. \(\mathrm{C_6 H_6}\)
2. \(\mathrm{CO_2}\)
3. \(\mathrm{CO_3^{2-}}\)
4. \(\mathrm{SiO_2}\)
The correct increasing order of ionic character of the following molecule is:
LiF, K2O, N2, SO2, ClF3
1. N2 < SO2 < ClF3 < K2O < LiF
2. N2 > SO2 > ClF3 > K2O < LiF
3. N2 > SO2 > K2O > ClF3 > LiF
4. LiF > K2O < ClF3 > SO2 > N2
1. Square pyramidal
2. Square planar
3. Trigonal bipyramidal
4. Octahedral
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