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) |
Which of the following set of molecules will have zero dipole moment?
1. | Boron trifluoride, hydrogen fluoride, carbon dioxide, 1 3-dichlorobenzene |
2. | Nitrogen trifluoride, beryllium difluoride, water, 1 3 -dichlorobenzene |
3. | Boron trifluoride, beryllium difluoride, carbon dioxide, 1 4-dichlorobenzene |
4. | Ammonia, beryllium difluoride, water, 1, 4-dichlorobenzene |
Among the compounds shown below, which one will have a linear structure?
1. NO2
2. HOCl
3. O3
4. N2O
Match the coordination number and type of hybridization with the distribution of hybrid orbitals in space based on Valence bond theory.
Coordination number and type of hybridisation | Distribution of hybrid orbitals in space |
(a) 4, sp3 | (i) Trigonal bipyramidal |
(b) 4, dsp2 | (ii) Octahedral |
(c) 5, sp3d | (iii) Tetrahedral |
(d) 6, d2sp3 | (iv) Square planar |
(a) | (b) | (c) | (d) | |
1. | (ii) | (iii) | (iv) | (i) |
2. | (iii) | (iv) | (i) | (ii) |
3. | (iv) | (i) | (ii) | (iii) |
4. | (iii) | (i) | (iv) | (ii) |
Molecule | Shape or geometry of the molecule |
a. PCl5 | Trigonal |
b. SF6 | Octahedral |
c. BeCl2 | Linear |
d. NH3 | Trigonal pyramidal |
1. | b | 2. | c |
3. | d | 4. | a |
The potential energy (y) curve for H2 formation as a function of internuclear distance (x) of the H atoms is shown below.
The bond energy of H2 is:
1. (b-a)
2.
3.
4. (c-a)
How many (i) sp2 hybridised carbon atoms and (ii) bonds are present in the following compound?
1. 7, 5
2. 8, 6
3. 7, 6
4. 8, 5
The number of hydrogen bonded water molecules(s) associated with is-
1. 3
2. 1
3. 2
4. 5
Which of the following is the correct order of dipole moment for the species given?
1.
2.
3.
4.