Which of the compounds depicted below will exhibit 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
BF3 is a planar and an electron deficient compound. Hybridization and number of electrons around the central atom, respectively are:
1. | sp2 and 6 | 2. | sp2 and 8 |
3. | sp3 and 4 | 4. | sp3 and 6 |
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). |
Which pair of ions from the following list do not constitute an iso-electronic pair?
1. Mn2+, Fe3+
2. Fe2+, Mn2+
3. O2-, F-
4. Na+, Mg2+
Which molecule among the following is non-polar?
1. | SbCl5 | 2. | NO2 |
3. | POCl3 | 4. | CH2O |