| 1. | A and C only | 2. | C and B only |
| 3. | A, B, and C | 4. | None of these |
Which of the following molecules contain bond angles of 180° in their gaseous states?
(Atomic numbers: H = 1; Be = 4; C = 6; Cl = 17)
A. BeCl2
B. C2H2
C. CCl4
| 1. | A and C only | 2. | A and B only |
| 3. | A only | 4. | B and C only |
Which of the following molecules have unequal bonds?
1.
2.
3.
4.
Compound in which central atom assumes sp3d hybridisation is
1. SO3
2. PCl5
3. SO2
4. PCl3
| Assertion (A): | Sigma (\(\sigma\)) bond is strong, while pi (\(\pi\)) bond is weak. |
| Reason (R): | Atoms rotate freely about pi (\(\pi\)) bond. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
| 1. | F– | 2. | I– |
| 3. | Na+ | 4. | Cl– |