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 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. | \(\dfrac{\left(\right. c - a \left.\right)}{2}\) |
3. | \(\dfrac{\left(\right. b - a \left.\right)}{2}\) | 4. | (c – a) |
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 |
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) |
Match the compounds of Xe in Column I with the molecular structure in Column II.
Column-I | Column-II | ||
(a) | XeF2 | (i) | Square planar |
(b) | XeF4 | (ii) | Linear |
(c) | XeO3 | (iii) | Square pyramidal |
(d) | XeOF4 | (iv) | Pyramidal |
(a) | (b) | (c) | (d) | |
1. | (ii) | (i) | (iii) | (iv) |
2. | (ii) | (iv) | (iii) | (i) |
3. | (ii) | (iii) | (i) | (iv) |
4. | (ii) | (i) | (iv) | (iii) |
Which of the compounds depicted below will exhibit a linear structure?
1. NO2
2. HOCl
3. O3
4. N2O
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 |