The electronic configurations of three elements, A, B, and C are given below.
A. 1s2 2s2 2p6
B. 1s2 2s2 2p6 3s2 3p3
C. 1s2 2s2 2p6 3s2 3p5
The molecular formula of the compound formed from B and C will be:
1.
2.
3.
4.
The electronic configurations of the elements A, B, and C are given below.
The bond between B and C will be :
| 1. | Ionic. | 2. | Covalent. |
| 3. | Hydrogen. | 4. | Coordinate. |
Among the following, the correct order of energies of molecular orbitals of N2 is:
1.
2.
3.
4.
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:
|
What is the correct sequence of bond order for the specified species?
| 1. | \(\mathrm{O}^-_2>\mathrm{O}_2>\mathrm{O}^+_2\) | 2. | \(\mathrm{O}^-_2<\mathrm{O}_2<\mathrm{O}^+_2\) |
| 3. | \(\mathrm{O}^-_2>\mathrm{O}_2<\mathrm{O}^+_2\) | 4. | \(\mathrm{O}^-_2<\mathrm{O}_2>\mathrm{O}^+_2\) |
Match the species in Column I with the type of hybrid orbitals in Column II.
|
Column I |
Column II |
||
| A. |
SF4 |
1. |
sp3d2 |
| B. |
IF5 |
2. |
d2sp3 |
| C. |
NO2+ |
3. |
sp3d |
| D. |
NH4+ |
4. |
sp3 |
| 5. |
sp |
Codes:
| Options: | A | B | C | D |
| 1. | 3 | 1 | 5 | 4 |
| 2. | 1 | 2 | 3 | 5 |
| 3. | 5 | 4 | 3 | 2 |
| 4. | 4 | 5 | 3 | 2 |
Match the species in Column I with the shape in Column II.
|
Column I |
Column II |
||
| A. |
H3O+ |
1. |
Linear |
| B. |
HCCH |
2. |
Angular |
| C. |
ClO2- |
3. |
Tetrahedral |
| D. |
NH4+ |
4. |
Trigonal bipyramidal |
| 5. |
Pyramidal |
Codes:
| Options: | A | B | C | D |
| 1. | 5 | 1 | 2 | 3 |
| 2. | 1 | 2 | 3 | 5 |
| 3. | 5 | 4 | 3 | 2 |
| 4. | 4 | 5 | 3 | 2 |
Match the species in Column-I with the bond order in Column-II.
|
Column-I |
Column-II |
||
| A. |
NO |
(i). |
1.5 |
| B. |
CO |
(ii). |
2.0 |
| C. |
\(O_2^-\) |
(iii). |
2.5 |
| D. |
O2 |
(iv). |
3.0 |
Choose the correct option:
| Options: | A | B | C | D |
| 1. | (iii) | (iv) | (i) | (ii) |
| 2. | (i) | (ii) | (iii) | (iv) |
| 3. | (i) | (iv) | (iii) | (ii) |
| 4. | (iv) | (i) | (iii) | (ii) |
Match the items given in Column I with examples given in Column II.
|
Column I (type of Bonds) |
Column II |
||
| A. |
Hydrogen bond |
1. |
Carbon |
| B. |
Resonance |
2. |
LiF |
| C. |
Ionic solid |
3. |
H2 |
| D. |
Covalent solid |
4. |
HF |
| 5. |
O3 |
Codes:
| Options: | A | B | C | D |
| 1. | 2 | 3 | 4 | 1 |
| 2. | 1 | 2 | 3 | 5 |
| 3. | 5 | 4 | 3 | 2 |
| 4. | 4 | 5 | 2 | 1 |
Match the shape of molecules in Column I with the type of hybridization in Column II.
|
Column I |
Column II |
||
| A. |
Tetrahedral |
1. |
sp2 |
| B. |
Trigonal |
2. |
sp |
| C. |
Linear |
3. |
sp3 |
Codes:
| Options: | A | B | C |
| 1. | 3 | 1 | 2 |
| 2. | 1 | 2 | 3 |
| 3. | 5 | 4 | 3 |
| 4. | 4 | 5 | 3 |