The following graph captures potential energy on the y-axis for hydrogen gas formation as a function of the internuclear distance on the x-axis:
The bond energy of H2 can be represented by-
1. | (c – a) | 2. | (b – a) |
3. | (c-a)/2 | 4. | (b-a)/2 |
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 |
Which of the following correctly represents the Lewis dot structure of the CO molecule?
1. | |
2. | |
3. | |
4. |
Correct resonance structure of \(CO_{3}^{2-}\) among the following is-
1. | 2. | ||
3. | 4. |
The condition(s) required for the linear combination of atomic orbital is :
1. | Combining atomic orbitals must have the same or nearly the same energy. |
2. | Combining atomic orbitals must have proper orientations to ensure that the overlap is maximum |
3. | Both 1 and 2 |
4. | None of the above |
The number of resonating structures exhibited by CO32- ion are :
1. 2
2. 3
3. 4
4. 5
Consider the following structure.
The hybridization of C1, and C2 carbon in the structure are -
1. = , =
2. = , =
3. = , =
4. None of the above